Home / 190,631.55-285,747.80-64,228.13

Finding the Fourth Proportional to 190,631.55, 285,747.80 and 64,228.13

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Solution

The fourth proportional to 190,631.55, 285,747.80 and 64,228.13 is: 96,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,631.55 : 285,747.80 = 64,228.13 : x
  2. Step 2: Convert to fraction form
    190,631.55/285,747.80 = 64,228.13/x
  3. Step 3: Cross multiply
    190,631.55x = 285,747.80 × 64,228.13
  4. Step 4: Simplify right side
    190,631.55x = 18,353,046,845.61
  5. Step 5: Solve for x
    x = 18,353,046,845.61/190,631.55
  6. Step 6: Final answer
    x = 96,274.97

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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.