Home / 161,673.20-223,139-93,734.04

Finding the Fourth Proportional to 161,673.20, 223,139 and 93,734.04

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Solution

The fourth proportional to 161,673.20, 223,139 and 93,734.04 is: 129,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,673.20 : 223,139 = 93,734.04 : x
  2. Step 2: Convert to fraction form
    161,673.20/223,139 = 93,734.04/x
  3. Step 3: Cross multiply
    161,673.20x = 223,139 × 93,734.04
  4. Step 4: Simplify right side
    161,673.20x = 20,915,719,951.56
  5. Step 5: Solve for x
    x = 20,915,719,951.56/161,673.20
  6. Step 6: Final answer
    x = 129,370.36

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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.