Home / 283,711.14-391,513.91-156,387.24

Finding the Fourth Proportional to 283,711.14, 391,513.91 and 156,387.24

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Solution

The fourth proportional to 283,711.14, 391,513.91 and 156,387.24 is: 215,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,711.14 : 391,513.91 = 156,387.24 : x
  2. Step 2: Convert to fraction form
    283,711.14/391,513.91 = 156,387.24/x
  3. Step 3: Cross multiply
    283,711.14x = 391,513.91 × 156,387.24
  4. Step 4: Simplify right side
    283,711.14x = 61,227,779,024.57
  5. Step 5: Solve for x
    x = 61,227,779,024.57/283,711.14
  6. Step 6: Final answer
    x = 215,810.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.