Home / 119,899.68-165,470.72-66,195.04

Finding the Fourth Proportional to 119,899.68, 165,470.72 and 66,195.04

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Solution

The fourth proportional to 119,899.68, 165,470.72 and 66,195.04 is: 91,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,899.68 : 165,470.72 = 66,195.04 : x
  2. Step 2: Convert to fraction form
    119,899.68/165,470.72 = 66,195.04/x
  3. Step 3: Cross multiply
    119,899.68x = 165,470.72 × 66,195.04
  4. Step 4: Simplify right side
    119,899.68x = 10,953,340,929.23
  5. Step 5: Solve for x
    x = 10,953,340,929.23/119,899.68
  6. Step 6: Final answer
    x = 91,354.21

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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.