Home / 119,976.66-165,569.13-66,260.43

Finding the Fourth Proportional to 119,976.66, 165,569.13 and 66,260.43

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Solution

The fourth proportional to 119,976.66, 165,569.13 and 66,260.43 is: 91,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976.66 : 165,569.13 = 66,260.43 : x
  2. Step 2: Convert to fraction form
    119,976.66/165,569.13 = 66,260.43/x
  3. Step 3: Cross multiply
    119,976.66x = 165,569.13 × 66,260.43
  4. Step 4: Simplify right side
    119,976.66x = 10,970,681,748.53
  5. Step 5: Solve for x
    x = 10,970,681,748.53/119,976.66
  6. Step 6: Final answer
    x = 91,440.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.