Home / 124,856.38-187,690.53-100,166.53

Finding the Fourth Proportional to 124,856.38, 187,690.53 and 100,166.53

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Solution

The fourth proportional to 124,856.38, 187,690.53 and 100,166.53 is: 150,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,856.38 : 187,690.53 = 100,166.53 : x
  2. Step 2: Convert to fraction form
    124,856.38/187,690.53 = 100,166.53/x
  3. Step 3: Cross multiply
    124,856.38x = 187,690.53 × 100,166.53
  4. Step 4: Simplify right side
    124,856.38x = 18,800,309,103.96
  5. Step 5: Solve for x
    x = 18,800,309,103.96/124,856.38
  6. Step 6: Final answer
    x = 150,575.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.