Home / 124,140.20-185,991.60-101,832.80

Finding the Fourth Proportional to 124,140.20, 185,991.60 and 101,832.80

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Solution

The fourth proportional to 124,140.20, 185,991.60 and 101,832.80 is: 152,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,140.20 : 185,991.60 = 101,832.80 : x
  2. Step 2: Convert to fraction form
    124,140.20/185,991.60 = 101,832.80/x
  3. Step 3: Cross multiply
    124,140.20x = 185,991.60 × 101,832.80
  4. Step 4: Simplify right side
    124,140.20x = 18,940,045,404.48
  5. Step 5: Solve for x
    x = 18,940,045,404.48/124,140.20
  6. Step 6: Final answer
    x = 152,569.80

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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.