Home / 124,371.62-186,539.20-61,174.78

Finding the Fourth Proportional to 124,371.62, 186,539.20 and 61,174.78

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Solution

The fourth proportional to 124,371.62, 186,539.20 and 61,174.78 is: 91,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.62 : 186,539.20 = 61,174.78 : x
  2. Step 2: Convert to fraction form
    124,371.62/186,539.20 = 61,174.78/x
  3. Step 3: Cross multiply
    124,371.62x = 186,539.20 × 61,174.78
  4. Step 4: Simplify right side
    124,371.62x = 11,411,494,674.31
  5. Step 5: Solve for x
    x = 11,411,494,674.31/124,371.62
  6. Step 6: Final answer
    x = 91,753.20

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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.