Home / 178,962.53-268,428.41-84,170.43

Finding the Fourth Proportional to 178,962.53, 268,428.41 and 84,170.43

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Solution

The fourth proportional to 178,962.53, 268,428.41 and 84,170.43 is: 126,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,962.53 : 268,428.41 = 84,170.43 : x
  2. Step 2: Convert to fraction form
    178,962.53/268,428.41 = 84,170.43/x
  3. Step 3: Cross multiply
    178,962.53x = 268,428.41 × 84,170.43
  4. Step 4: Simplify right side
    178,962.53x = 22,593,734,693.92
  5. Step 5: Solve for x
    x = 22,593,734,693.92/178,962.53
  6. Step 6: Final answer
    x = 126,248.41

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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.