Home / 132,570.28-198,737.54-48,314.62

Finding the Fourth Proportional to 132,570.28, 198,737.54 and 48,314.62

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Solution

The fourth proportional to 132,570.28, 198,737.54 and 48,314.62 is: 72,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,570.28 : 198,737.54 = 48,314.62 : x
  2. Step 2: Convert to fraction form
    132,570.28/198,737.54 = 48,314.62/x
  3. Step 3: Cross multiply
    132,570.28x = 198,737.54 × 48,314.62
  4. Step 4: Simplify right side
    132,570.28x = 9,601,928,724.83
  5. Step 5: Solve for x
    x = 9,601,928,724.83/132,570.28
  6. Step 6: Final answer
    x = 72,428.97

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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.