Home / 119,934.62-165,508.65-66,220.02

Finding the Fourth Proportional to 119,934.62, 165,508.65 and 66,220.02

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Solution

The fourth proportional to 119,934.62, 165,508.65 and 66,220.02 is: 91,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,934.62 : 165,508.65 = 66,220.02 : x
  2. Step 2: Convert to fraction form
    119,934.62/165,508.65 = 66,220.02/x
  3. Step 3: Cross multiply
    119,934.62x = 165,508.65 × 66,220.02
  4. Step 4: Simplify right side
    119,934.62x = 10,959,986,113.17
  5. Step 5: Solve for x
    x = 10,959,986,113.17/119,934.62
  6. Step 6: Final answer
    x = 91,383.01

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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.