Home / 125,233.16-172,796.22-74,223.41

Finding the Fourth Proportional to 125,233.16, 172,796.22 and 74,223.41

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Solution

The fourth proportional to 125,233.16, 172,796.22 and 74,223.41 is: 102,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,233.16 : 172,796.22 = 74,223.41 : x
  2. Step 2: Convert to fraction form
    125,233.16/172,796.22 = 74,223.41/x
  3. Step 3: Cross multiply
    125,233.16x = 172,796.22 × 74,223.41
  4. Step 4: Simplify right side
    125,233.16x = 12,825,523,819.53
  5. Step 5: Solve for x
    x = 12,825,523,819.53/125,233.16
  6. Step 6: Final answer
    x = 102,413.17

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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.