Home / 125,752.14-173,626.83-83,398.86

Finding the Fourth Proportional to 125,752.14, 173,626.83 and 83,398.86

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Solution

The fourth proportional to 125,752.14, 173,626.83 and 83,398.86 is: 115,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,752.14 : 173,626.83 = 83,398.86 : x
  2. Step 2: Convert to fraction form
    125,752.14/173,626.83 = 83,398.86/x
  3. Step 3: Cross multiply
    125,752.14x = 173,626.83 × 83,398.86
  4. Step 4: Simplify right side
    125,752.14x = 14,480,279,687.41
  5. Step 5: Solve for x
    x = 14,480,279,687.41/125,752.14
  6. Step 6: Final answer
    x = 115,149.37

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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.