Home / 124,581.40-186,872.10-117,842.20

Finding the Fourth Proportional to 124,581.40, 186,872.10 and 117,842.20

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Solution

The fourth proportional to 124,581.40, 186,872.10 and 117,842.20 is: 176,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,581.40 : 186,872.10 = 117,842.20 : x
  2. Step 2: Convert to fraction form
    124,581.40/186,872.10 = 117,842.20/x
  3. Step 3: Cross multiply
    124,581.40x = 186,872.10 × 117,842.20
  4. Step 4: Simplify right side
    124,581.40x = 22,021,419,382.62
  5. Step 5: Solve for x
    x = 22,021,419,382.62/124,581.40
  6. Step 6: Final answer
    x = 176,763.30

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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.