Home / 125,581.23-173,308.11-77,185.27

Finding the Fourth Proportional to 125,581.23, 173,308.11 and 77,185.27

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Solution

The fourth proportional to 125,581.23, 173,308.11 and 77,185.27 is: 106,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,581.23 : 173,308.11 = 77,185.27 : x
  2. Step 2: Convert to fraction form
    125,581.23/173,308.11 = 77,185.27/x
  3. Step 3: Cross multiply
    125,581.23x = 173,308.11 × 77,185.27
  4. Step 4: Simplify right side
    125,581.23x = 13,376,832,650.04
  5. Step 5: Solve for x
    x = 13,376,832,650.04/125,581.23
  6. Step 6: Final answer
    x = 106,519.37

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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.