Home / 125,675.82-173,473.11-80,475.53

Finding the Fourth Proportional to 125,675.82, 173,473.11 and 80,475.53

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Solution

The fourth proportional to 125,675.82, 173,473.11 and 80,475.53 is: 111,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,675.82 : 173,473.11 = 80,475.53 : x
  2. Step 2: Convert to fraction form
    125,675.82/173,473.11 = 80,475.53/x
  3. Step 3: Cross multiply
    125,675.82x = 173,473.11 × 80,475.53
  4. Step 4: Simplify right side
    125,675.82x = 13,960,339,600.63
  5. Step 5: Solve for x
    x = 13,960,339,600.63/125,675.82
  6. Step 6: Final answer
    x = 111,082.14

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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.