Home / 162,255.53-243,052.81-132,376.25

Finding the Fourth Proportional to 162,255.53, 243,052.81 and 132,376.25

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Solution

The fourth proportional to 162,255.53, 243,052.81 and 132,376.25 is: 198,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,255.53 : 243,052.81 = 132,376.25 : x
  2. Step 2: Convert to fraction form
    162,255.53/243,052.81 = 132,376.25/x
  3. Step 3: Cross multiply
    162,255.53x = 243,052.81 × 132,376.25
  4. Step 4: Simplify right side
    162,255.53x = 32,174,419,539.76
  5. Step 5: Solve for x
    x = 32,174,419,539.76/162,255.53
  6. Step 6: Final answer
    x = 198,294.75

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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.