Home / 106,514.40-146,990.24-58,767.68

Finding the Fourth Proportional to 106,514.40, 146,990.24 and 58,767.68

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Solution

The fourth proportional to 106,514.40, 146,990.24 and 58,767.68 is: 81,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514.40 : 146,990.24 = 58,767.68 : x
  2. Step 2: Convert to fraction form
    106,514.40/146,990.24 = 58,767.68/x
  3. Step 3: Cross multiply
    106,514.40x = 146,990.24 × 58,767.68
  4. Step 4: Simplify right side
    106,514.40x = 8,638,275,387.44
  5. Step 5: Solve for x
    x = 8,638,275,387.44/106,514.40
  6. Step 6: Final answer
    x = 81,099.60

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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.