Home / 125,649.66-173,436.94-80,449.38

Finding the Fourth Proportional to 125,649.66, 173,436.94 and 80,449.38

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Solution

The fourth proportional to 125,649.66, 173,436.94 and 80,449.38 is: 111,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.66 : 173,436.94 = 80,449.38 : x
  2. Step 2: Convert to fraction form
    125,649.66/173,436.94 = 80,449.38/x
  3. Step 3: Cross multiply
    125,649.66x = 173,436.94 × 80,449.38
  4. Step 4: Simplify right side
    125,649.66x = 13,952,894,292.10
  5. Step 5: Solve for x
    x = 13,952,894,292.10/125,649.66
  6. Step 6: Final answer
    x = 111,046.02

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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.