Home / 162,301.62-243,121.80-132,422.34

Finding the Fourth Proportional to 162,301.62, 243,121.80 and 132,422.34

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Solution

The fourth proportional to 162,301.62, 243,121.80 and 132,422.34 is: 198,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,301.62 : 243,121.80 = 132,422.34 : x
  2. Step 2: Convert to fraction form
    162,301.62/243,121.80 = 132,422.34/x
  3. Step 3: Cross multiply
    162,301.62x = 243,121.80 × 132,422.34
  4. Step 4: Simplify right side
    162,301.62x = 32,194,759,069.30
  5. Step 5: Solve for x
    x = 32,194,759,069.30/162,301.62
  6. Step 6: Final answer
    x = 198,363.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.