Home / 126,949.95-190,375.71-67,753.32

Finding the Fourth Proportional to 126,949.95, 190,375.71 and 67,753.32

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Solution

The fourth proportional to 126,949.95, 190,375.71 and 67,753.32 is: 101,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,949.95 : 190,375.71 = 67,753.32 : x
  2. Step 2: Convert to fraction form
    126,949.95/190,375.71 = 67,753.32/x
  3. Step 3: Cross multiply
    126,949.95x = 190,375.71 × 67,753.32
  4. Step 4: Simplify right side
    126,949.95x = 12,898,586,399.86
  5. Step 5: Solve for x
    x = 12,898,586,399.86/126,949.95
  6. Step 6: Final answer
    x = 101,603.71

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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.