Home / 283,724.48-391,531.92-156,400.04

Finding the Fourth Proportional to 283,724.48, 391,531.92 and 156,400.04

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Solution

The fourth proportional to 283,724.48, 391,531.92 and 156,400.04 is: 215,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,724.48 : 391,531.92 = 156,400.04 : x
  2. Step 2: Convert to fraction form
    283,724.48/391,531.92 = 156,400.04/x
  3. Step 3: Cross multiply
    283,724.48x = 391,531.92 × 156,400.04
  4. Step 4: Simplify right side
    283,724.48x = 61,235,607,949.28
  5. Step 5: Solve for x
    x = 61,235,607,949.28/283,724.48
  6. Step 6: Final answer
    x = 215,827.72

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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.