Home / 106,019.28-146,311.92-58,278.96

Finding the Fourth Proportional to 106,019.28, 146,311.92 and 58,278.96

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Solution

The fourth proportional to 106,019.28, 146,311.92 and 58,278.96 is: 80,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,019.28 : 146,311.92 = 58,278.96 : x
  2. Step 2: Convert to fraction form
    106,019.28/146,311.92 = 58,278.96/x
  3. Step 3: Cross multiply
    106,019.28x = 146,311.92 × 58,278.96
  4. Step 4: Simplify right side
    106,019.28x = 8,526,906,533.20
  5. Step 5: Solve for x
    x = 8,526,906,533.20/106,019.28
  6. Step 6: Final answer
    x = 80,427.89

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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.