Home / 125,542.92-173,279.40-71,859.06

Finding the Fourth Proportional to 125,542.92, 173,279.40 and 71,859.06

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Solution

The fourth proportional to 125,542.92, 173,279.40 and 71,859.06 is: 99,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,542.92 : 173,279.40 = 71,859.06 : x
  2. Step 2: Convert to fraction form
    125,542.92/173,279.40 = 71,859.06/x
  3. Step 3: Cross multiply
    125,542.92x = 173,279.40 × 71,859.06
  4. Step 4: Simplify right side
    125,542.92x = 12,451,694,801.36
  5. Step 5: Solve for x
    x = 12,451,694,801.36/125,542.92
  6. Step 6: Final answer
    x = 99,182.77

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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.