Home / 160,162.68-221,046.54-92,178.30

Finding the Fourth Proportional to 160,162.68, 221,046.54 and 92,178.30

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Solution

The fourth proportional to 160,162.68, 221,046.54 and 92,178.30 is: 127,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,162.68 : 221,046.54 = 92,178.30 : x
  2. Step 2: Convert to fraction form
    160,162.68/221,046.54 = 92,178.30/x
  3. Step 3: Cross multiply
    160,162.68x = 221,046.54 × 92,178.30
  4. Step 4: Simplify right side
    160,162.68x = 20,375,694,278.08
  5. Step 5: Solve for x
    x = 20,375,694,278.08/160,162.68
  6. Step 6: Final answer
    x = 127,218.74

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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.