Home / 125,194.11-172,766.00-67,831.83

Finding the Fourth Proportional to 125,194.11, 172,766.00 and 67,831.83

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Solution

The fourth proportional to 125,194.11, 172,766.00 and 67,831.83 is: 93,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,194.11 : 172,766.00 = 67,831.83 : x
  2. Step 2: Convert to fraction form
    125,194.11/172,766.00 = 67,831.83/x
  3. Step 3: Cross multiply
    125,194.11x = 172,766.00 × 67,831.83
  4. Step 4: Simplify right side
    125,194.11x = 11,719,033,602.62
  5. Step 5: Solve for x
    x = 11,719,033,602.62/125,194.11
  6. Step 6: Final answer
    x = 93,606.91

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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.