Home / 124,399.90-186,552.56-40,147.43

Finding the Fourth Proportional to 124,399.90, 186,552.56 and 40,147.43

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Solution

The fourth proportional to 124,399.90, 186,552.56 and 40,147.43 is: 60,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,399.90 : 186,552.56 = 40,147.43 : x
  2. Step 2: Convert to fraction form
    124,399.90/186,552.56 = 40,147.43/x
  3. Step 3: Cross multiply
    124,399.90x = 186,552.56 × 40,147.43
  4. Step 4: Simplify right side
    124,399.90x = 7,489,606,760.46
  5. Step 5: Solve for x
    x = 7,489,606,760.46/124,399.90
  6. Step 6: Final answer
    x = 60,205.89

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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.