Home / 127,436.22-191,160.33-38,702.46

Finding the Fourth Proportional to 127,436.22, 191,160.33 and 38,702.46

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Solution

The fourth proportional to 127,436.22, 191,160.33 and 38,702.46 is: 58,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,436.22 : 191,160.33 = 38,702.46 : x
  2. Step 2: Convert to fraction form
    127,436.22/191,160.33 = 38,702.46/x
  3. Step 3: Cross multiply
    127,436.22x = 191,160.33 × 38,702.46
  4. Step 4: Simplify right side
    127,436.22x = 7,398,375,025.41
  5. Step 5: Solve for x
    x = 7,398,375,025.41/127,436.22
  6. Step 6: Final answer
    x = 58,055.51

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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.