Home / 132,088.31-198,210.23-49,040.63

Finding the Fourth Proportional to 132,088.31, 198,210.23 and 49,040.63

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Solution

The fourth proportional to 132,088.31, 198,210.23 and 49,040.63 is: 73,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,088.31 : 198,210.23 = 49,040.63 : x
  2. Step 2: Convert to fraction form
    132,088.31/198,210.23 = 49,040.63/x
  3. Step 3: Cross multiply
    132,088.31x = 198,210.23 × 49,040.63
  4. Step 4: Simplify right side
    132,088.31x = 9,720,354,306.44
  5. Step 5: Solve for x
    x = 9,720,354,306.44/132,088.31
  6. Step 6: Final answer
    x = 73,589.82

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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.