Home / 125,500.53-173,190.38-75,199.53

Finding the Fourth Proportional to 125,500.53, 173,190.38 and 75,199.53

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Solution

The fourth proportional to 125,500.53, 173,190.38 and 75,199.53 is: 103,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500.53 : 173,190.38 = 75,199.53 : x
  2. Step 2: Convert to fraction form
    125,500.53/173,190.38 = 75,199.53/x
  3. Step 3: Cross multiply
    125,500.53x = 173,190.38 × 75,199.53
  4. Step 4: Simplify right side
    125,500.53x = 13,023,834,800.52
  5. Step 5: Solve for x
    x = 13,023,834,800.52/125,500.53
  6. Step 6: Final answer
    x = 103,775.14

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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.