Home / 124,178.20-186,136.87-60,910.72

Finding the Fourth Proportional to 124,178.20, 186,136.87 and 60,910.72

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Solution

The fourth proportional to 124,178.20, 186,136.87 and 60,910.72 is: 91,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,178.20 : 186,136.87 = 60,910.72 : x
  2. Step 2: Convert to fraction form
    124,178.20/186,136.87 = 60,910.72/x
  3. Step 3: Cross multiply
    124,178.20x = 186,136.87 × 60,910.72
  4. Step 4: Simplify right side
    124,178.20x = 11,337,730,770.25
  5. Step 5: Solve for x
    x = 11,337,730,770.25/124,178.20
  6. Step 6: Final answer
    x = 91,302.10

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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.