Home / 132,432.40-198,725.40-49,334.80

Finding the Fourth Proportional to 132,432.40, 198,725.40 and 49,334.80

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Solution

The fourth proportional to 132,432.40, 198,725.40 and 49,334.80 is: 74,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,432.40 : 198,725.40 = 49,334.80 : x
  2. Step 2: Convert to fraction form
    132,432.40/198,725.40 = 49,334.80/x
  3. Step 3: Cross multiply
    132,432.40x = 198,725.40 × 49,334.80
  4. Step 4: Simplify right side
    132,432.40x = 9,804,077,863.92
  5. Step 5: Solve for x
    x = 9,804,077,863.92/132,432.40
  6. Step 6: Final answer
    x = 74,030.81

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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.