Home / 132,721.96-198,963.42-48,423.28

Finding the Fourth Proportional to 132,721.96, 198,963.42 and 48,423.28

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Solution

The fourth proportional to 132,721.96, 198,963.42 and 48,423.28 is: 72,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,721.96 : 198,963.42 = 48,423.28 : x
  2. Step 2: Convert to fraction form
    132,721.96/198,963.42 = 48,423.28/x
  3. Step 3: Cross multiply
    132,721.96x = 198,963.42 × 48,423.28
  4. Step 4: Simplify right side
    132,721.96x = 9,634,461,396.42
  5. Step 5: Solve for x
    x = 9,634,461,396.42/132,721.96
  6. Step 6: Final answer
    x = 72,591.31

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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.