Home / 125,431.20-173,087.28-68,842.17

Finding the Fourth Proportional to 125,431.20, 173,087.28 and 68,842.17

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Solution

The fourth proportional to 125,431.20, 173,087.28 and 68,842.17 is: 94,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,431.20 : 173,087.28 = 68,842.17 : x
  2. Step 2: Convert to fraction form
    125,431.20/173,087.28 = 68,842.17/x
  3. Step 3: Cross multiply
    125,431.20x = 173,087.28 × 68,842.17
  4. Step 4: Simplify right side
    125,431.20x = 11,915,703,954.60
  5. Step 5: Solve for x
    x = 11,915,703,954.60/125,431.20
  6. Step 6: Final answer
    x = 94,997.93

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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.