Home / 106,120.90-146,447.18-58,377.28

Finding the Fourth Proportional to 106,120.90, 146,447.18 and 58,377.28

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Solution

The fourth proportional to 106,120.90, 146,447.18 and 58,377.28 is: 80,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,120.90 : 146,447.18 = 58,377.28 : x
  2. Step 2: Convert to fraction form
    106,120.90/146,447.18 = 58,377.28/x
  3. Step 3: Cross multiply
    106,120.90x = 146,447.18 × 58,377.28
  4. Step 4: Simplify right side
    106,120.90x = 8,549,188,032.07
  5. Step 5: Solve for x
    x = 8,549,188,032.07/106,120.90
  6. Step 6: Final answer
    x = 80,560.83

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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.