Home / 126,890.92-190,454.46-64,608.04

Finding the Fourth Proportional to 126,890.92, 190,454.46 and 64,608.04

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Solution

The fourth proportional to 126,890.92, 190,454.46 and 64,608.04 is: 96,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,890.92 : 190,454.46 = 64,608.04 : x
  2. Step 2: Convert to fraction form
    126,890.92/190,454.46 = 64,608.04/x
  3. Step 3: Cross multiply
    126,890.92x = 190,454.46 × 64,608.04
  4. Step 4: Simplify right side
    126,890.92x = 12,304,889,369.86
  5. Step 5: Solve for x
    x = 12,304,889,369.86/126,890.92
  6. Step 6: Final answer
    x = 96,972.18

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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.