Home / 119,876.53-165,422.63-66,161.53

Finding the Fourth Proportional to 119,876.53, 165,422.63 and 66,161.53

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Solution

The fourth proportional to 119,876.53, 165,422.63 and 66,161.53 is: 91,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,876.53 : 165,422.63 = 66,161.53 : x
  2. Step 2: Convert to fraction form
    119,876.53/165,422.63 = 66,161.53/x
  3. Step 3: Cross multiply
    119,876.53x = 165,422.63 × 66,161.53
  4. Step 4: Simplify right side
    119,876.53x = 10,944,614,948.78
  5. Step 5: Solve for x
    x = 10,944,614,948.78/119,876.53
  6. Step 6: Final answer
    x = 91,299.06

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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.