Home / 146,738.14-220,078.05-71,826.10

Finding the Fourth Proportional to 146,738.14, 220,078.05 and 71,826.10

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Solution

The fourth proportional to 146,738.14, 220,078.05 and 71,826.10 is: 107,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.14 : 220,078.05 = 71,826.10 : x
  2. Step 2: Convert to fraction form
    146,738.14/220,078.05 = 71,826.10/x
  3. Step 3: Cross multiply
    146,738.14x = 220,078.05 × 71,826.10
  4. Step 4: Simplify right side
    146,738.14x = 15,807,348,027.11
  5. Step 5: Solve for x
    x = 15,807,348,027.11/146,738.14
  6. Step 6: Final answer
    x = 107,724.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.