Home / 119,907.57-165,473.61-66,191.43

Finding the Fourth Proportional to 119,907.57, 165,473.61 and 66,191.43

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Solution

The fourth proportional to 119,907.57, 165,473.61 and 66,191.43 is: 91,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,907.57 : 165,473.61 = 66,191.43 : x
  2. Step 2: Convert to fraction form
    119,907.57/165,473.61 = 66,191.43/x
  3. Step 3: Cross multiply
    119,907.57x = 165,473.61 × 66,191.43
  4. Step 4: Simplify right side
    119,907.57x = 10,952,934,873.16
  5. Step 5: Solve for x
    x = 10,952,934,873.16/119,907.57
  6. Step 6: Final answer
    x = 91,344.82

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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.