Home / 190,853.20-286,049.40-97,310.80

Finding the Fourth Proportional to 190,853.20, 286,049.40 and 97,310.80

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Solution

The fourth proportional to 190,853.20, 286,049.40 and 97,310.80 is: 145,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,853.20 : 286,049.40 = 97,310.80 : x
  2. Step 2: Convert to fraction form
    190,853.20/286,049.40 = 97,310.80/x
  3. Step 3: Cross multiply
    190,853.20x = 286,049.40 × 97,310.80
  4. Step 4: Simplify right side
    190,853.20x = 27,835,695,953.52
  5. Step 5: Solve for x
    x = 27,835,695,953.52/190,853.20
  6. Step 6: Final answer
    x = 145,848.73

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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.