Home / 283,532.47-391,275.78-156,207.76

Finding the Fourth Proportional to 283,532.47, 391,275.78 and 156,207.76

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Solution

The fourth proportional to 283,532.47, 391,275.78 and 156,207.76 is: 215,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,532.47 : 391,275.78 = 156,207.76 : x
  2. Step 2: Convert to fraction form
    283,532.47/391,275.78 = 156,207.76/x
  3. Step 3: Cross multiply
    283,532.47x = 391,275.78 × 156,207.76
  4. Step 4: Simplify right side
    283,532.47x = 61,120,313,136.05
  5. Step 5: Solve for x
    x = 61,120,313,136.05/283,532.47
  6. Step 6: Final answer
    x = 215,567.24

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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.