Home / 162,049.13-243,388.80-132,085.36

Finding the Fourth Proportional to 162,049.13, 243,388.80 and 132,085.36

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Solution

The fourth proportional to 162,049.13, 243,388.80 and 132,085.36 is: 198,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,049.13 : 243,388.80 = 132,085.36 : x
  2. Step 2: Convert to fraction form
    162,049.13/243,388.80 = 132,085.36/x
  3. Step 3: Cross multiply
    162,049.13x = 243,388.80 × 132,085.36
  4. Step 4: Simplify right side
    162,049.13x = 32,148,096,659.50
  5. Step 5: Solve for x
    x = 32,148,096,659.50/162,049.13
  6. Step 6: Final answer
    x = 198,384.88

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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.