Home / 190,306.80-285,460.20-95,500.35

Finding the Fourth Proportional to 190,306.80, 285,460.20 and 95,500.35

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Solution

The fourth proportional to 190,306.80, 285,460.20 and 95,500.35 is: 143,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,306.80 : 285,460.20 = 95,500.35 : x
  2. Step 2: Convert to fraction form
    190,306.80/285,460.20 = 95,500.35/x
  3. Step 3: Cross multiply
    190,306.80x = 285,460.20 × 95,500.35
  4. Step 4: Simplify right side
    190,306.80x = 27,261,549,011.07
  5. Step 5: Solve for x
    x = 27,261,549,011.07/190,306.80
  6. Step 6: Final answer
    x = 143,250.53

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.