Home / 106,270.40-146,723.72-66,044.18

Finding the Fourth Proportional to 106,270.40, 146,723.72 and 66,044.18

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Solution

The fourth proportional to 106,270.40, 146,723.72 and 66,044.18 is: 91,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,270.40 : 146,723.72 = 66,044.18 : x
  2. Step 2: Convert to fraction form
    106,270.40/146,723.72 = 66,044.18/x
  3. Step 3: Cross multiply
    106,270.40x = 146,723.72 × 66,044.18
  4. Step 4: Simplify right side
    106,270.40x = 9,690,247,773.95
  5. Step 5: Solve for x
    x = 9,690,247,773.95/106,270.40
  6. Step 6: Final answer
    x = 91,184.82

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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.