Home / 160,897.85-222,082.11-100,432.09

Finding the Fourth Proportional to 160,897.85, 222,082.11 and 100,432.09

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Solution

The fourth proportional to 160,897.85, 222,082.11 and 100,432.09 is: 138,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,897.85 : 222,082.11 = 100,432.09 : x
  2. Step 2: Convert to fraction form
    160,897.85/222,082.11 = 100,432.09/x
  3. Step 3: Cross multiply
    160,897.85x = 222,082.11 × 100,432.09
  4. Step 4: Simplify right side
    160,897.85x = 22,304,169,956.75
  5. Step 5: Solve for x
    x = 22,304,169,956.75/160,897.85
  6. Step 6: Final answer
    x = 138,623.17

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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.