Home / 125,635.32-173,318.94-77,193.27

Finding the Fourth Proportional to 125,635.32, 173,318.94 and 77,193.27

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Solution

The fourth proportional to 125,635.32, 173,318.94 and 77,193.27 is: 106,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635.32 : 173,318.94 = 77,193.27 : x
  2. Step 2: Convert to fraction form
    125,635.32/173,318.94 = 77,193.27/x
  3. Step 3: Cross multiply
    125,635.32x = 173,318.94 × 77,193.27
  4. Step 4: Simplify right side
    125,635.32x = 13,379,055,731.53
  5. Step 5: Solve for x
    x = 13,379,055,731.53/125,635.32
  6. Step 6: Final answer
    x = 106,491.20

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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.