Home / 106,204.20-146,532.15-65,919.66

Finding the Fourth Proportional to 106,204.20, 146,532.15 and 65,919.66

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Solution

The fourth proportional to 106,204.20, 146,532.15 and 65,919.66 is: 90,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,204.20 : 146,532.15 = 65,919.66 : x
  2. Step 2: Convert to fraction form
    106,204.20/146,532.15 = 65,919.66/x
  3. Step 3: Cross multiply
    106,204.20x = 146,532.15 × 65,919.66
  4. Step 4: Simplify right side
    106,204.20x = 9,659,349,507.07
  5. Step 5: Solve for x
    x = 9,659,349,507.07/106,204.20
  6. Step 6: Final answer
    x = 90,950.73

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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.