Home / 168,564.87-232,402.45-120,221.92

Finding the Fourth Proportional to 168,564.87, 232,402.45 and 120,221.92

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Solution

The fourth proportional to 168,564.87, 232,402.45 and 120,221.92 is: 165,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,564.87 : 232,402.45 = 120,221.92 : x
  2. Step 2: Convert to fraction form
    168,564.87/232,402.45 = 120,221.92/x
  3. Step 3: Cross multiply
    168,564.87x = 232,402.45 × 120,221.92
  4. Step 4: Simplify right side
    168,564.87x = 27,939,868,751.70
  5. Step 5: Solve for x
    x = 27,939,868,751.70/168,564.87
  6. Step 6: Final answer
    x = 165,751.43

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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.