Home / 106,161.88-146,454.60-67,902.36

Finding the Fourth Proportional to 106,161.88, 146,454.60 and 67,902.36

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Solution

The fourth proportional to 106,161.88, 146,454.60 and 67,902.36 is: 93,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,161.88 : 146,454.60 = 67,902.36 : x
  2. Step 2: Convert to fraction form
    106,161.88/146,454.60 = 67,902.36/x
  3. Step 3: Cross multiply
    106,161.88x = 146,454.60 × 67,902.36
  4. Step 4: Simplify right side
    106,161.88x = 9,944,612,972.86
  5. Step 5: Solve for x
    x = 9,944,612,972.86/106,161.88
  6. Step 6: Final answer
    x = 93,674.05

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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.