Home / 106,272.40-146,726.48-66,046.18

Finding the Fourth Proportional to 106,272.40, 146,726.48 and 66,046.18

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Solution

The fourth proportional to 106,272.40, 146,726.48 and 66,046.18 is: 91,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,272.40 : 146,726.48 = 66,046.18 : x
  2. Step 2: Convert to fraction form
    106,272.40/146,726.48 = 66,046.18/x
  3. Step 3: Cross multiply
    106,272.40x = 146,726.48 × 66,046.18
  4. Step 4: Simplify right side
    106,272.40x = 9,690,723,508.85
  5. Step 5: Solve for x
    x = 9,690,723,508.85/106,272.40
  6. Step 6: Final answer
    x = 91,187.59

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1.5x scale

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.