Home / 160,732.40-221,799.87-92,752.20

Finding the Fourth Proportional to 160,732.40, 221,799.87 and 92,752.20

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Solution

The fourth proportional to 160,732.40, 221,799.87 and 92,752.20 is: 127,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,732.40 : 221,799.87 = 92,752.20 : x
  2. Step 2: Convert to fraction form
    160,732.40/221,799.87 = 92,752.20/x
  3. Step 3: Cross multiply
    160,732.40x = 221,799.87 × 92,752.20
  4. Step 4: Simplify right side
    160,732.40x = 20,572,425,902.21
  5. Step 5: Solve for x
    x = 20,572,425,902.21/160,732.40
  6. Step 6: Final answer
    x = 127,991.78

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1.5x scale

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.