Home / 125,635.24-173,417.04-80,434.97

Finding the Fourth Proportional to 125,635.24, 173,417.04 and 80,434.97

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Solution

The fourth proportional to 125,635.24, 173,417.04 and 80,434.97 is: 111,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635.24 : 173,417.04 = 80,434.97 : x
  2. Step 2: Convert to fraction form
    125,635.24/173,417.04 = 80,434.97/x
  3. Step 3: Cross multiply
    125,635.24x = 173,417.04 × 80,434.97
  4. Step 4: Simplify right side
    125,635.24x = 13,948,794,409.89
  5. Step 5: Solve for x
    x = 13,948,794,409.89/125,635.24
  6. Step 6: Final answer
    x = 111,026.13

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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.