Home / 409,781.42-614,321.50-157,243.12

Finding the Fourth Proportional to 409,781.42, 614,321.50 and 157,243.12

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Solution

The fourth proportional to 409,781.42, 614,321.50 and 157,243.12 is: 235,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,781.42 : 614,321.50 = 157,243.12 : x
  2. Step 2: Convert to fraction form
    409,781.42/614,321.50 = 157,243.12/x
  3. Step 3: Cross multiply
    409,781.42x = 614,321.50 × 157,243.12
  4. Step 4: Simplify right side
    409,781.42x = 96,597,829,343.08
  5. Step 5: Solve for x
    x = 96,597,829,343.08/409,781.42
  6. Step 6: Final answer
    x = 235,730.13

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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.