Home / 198,432.50-273,727.77-125,702.19

Finding the Fourth Proportional to 198,432.50, 273,727.77 and 125,702.19

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Solution

The fourth proportional to 198,432.50, 273,727.77 and 125,702.19 is: 173,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,432.50 : 273,727.77 = 125,702.19 : x
  2. Step 2: Convert to fraction form
    198,432.50/273,727.77 = 125,702.19/x
  3. Step 3: Cross multiply
    198,432.50x = 273,727.77 × 125,702.19
  4. Step 4: Simplify right side
    198,432.50x = 34,408,180,152.82
  5. Step 5: Solve for x
    x = 34,408,180,152.82/198,432.50
  6. Step 6: Final answer
    x = 173,399.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.