Home / 119,964.43-165,553.50-66,252.88

Finding the Fourth Proportional to 119,964.43, 165,553.50 and 66,252.88

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Solution

The fourth proportional to 119,964.43, 165,553.50 and 66,252.88 is: 91,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,964.43 : 165,553.50 = 66,252.88 : x
  2. Step 2: Convert to fraction form
    119,964.43/165,553.50 = 66,252.88/x
  3. Step 3: Cross multiply
    119,964.43x = 165,553.50 × 66,252.88
  4. Step 4: Simplify right side
    119,964.43x = 10,968,396,169.08
  5. Step 5: Solve for x
    x = 10,968,396,169.08/119,964.43
  6. Step 6: Final answer
    x = 91,430.40

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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.