Home / 125,543.32-173,279.90-71,859.44

Finding the Fourth Proportional to 125,543.32, 173,279.90 and 71,859.44

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Solution

The fourth proportional to 125,543.32, 173,279.90 and 71,859.44 is: 99,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,543.32 : 173,279.90 = 71,859.44 : x
  2. Step 2: Convert to fraction form
    125,543.32/173,279.90 = 71,859.44/x
  3. Step 3: Cross multiply
    125,543.32x = 173,279.90 × 71,859.44
  4. Step 4: Simplify right side
    125,543.32x = 12,451,797,190.10
  5. Step 5: Solve for x
    x = 12,451,797,190.10/125,543.32
  6. Step 6: Final answer
    x = 99,183.27

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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.