Home / 132,389.13-198,521.31-48,089.87

Finding the Fourth Proportional to 132,389.13, 198,521.31 and 48,089.87

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Solution

The fourth proportional to 132,389.13, 198,521.31 and 48,089.87 is: 72,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389.13 : 198,521.31 = 48,089.87 : x
  2. Step 2: Convert to fraction form
    132,389.13/198,521.31 = 48,089.87/x
  3. Step 3: Cross multiply
    132,389.13x = 198,521.31 × 48,089.87
  4. Step 4: Simplify right side
    132,389.13x = 9,546,863,922.32
  5. Step 5: Solve for x
    x = 9,546,863,922.32/132,389.13
  6. Step 6: Final answer
    x = 72,112.14

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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.