Home / 283,794.12-391,635.45-156,470.04

Finding the Fourth Proportional to 283,794.12, 391,635.45 and 156,470.04

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Solution

The fourth proportional to 283,794.12, 391,635.45 and 156,470.04 is: 215,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,794.12 : 391,635.45 = 156,470.04 : x
  2. Step 2: Convert to fraction form
    283,794.12/391,635.45 = 156,470.04/x
  3. Step 3: Cross multiply
    283,794.12x = 391,635.45 × 156,470.04
  4. Step 4: Simplify right side
    283,794.12x = 61,279,214,526.92
  5. Step 5: Solve for x
    x = 61,279,214,526.92/283,794.12
  6. Step 6: Final answer
    x = 215,928.42

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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.