Home / 146,989.12-220,512.84-53,502.16

Finding the Fourth Proportional to 146,989.12, 220,512.84 and 53,502.16

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Solution

The fourth proportional to 146,989.12, 220,512.84 and 53,502.16 is: 80,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,989.12 : 220,512.84 = 53,502.16 : x
  2. Step 2: Convert to fraction form
    146,989.12/220,512.84 = 53,502.16/x
  3. Step 3: Cross multiply
    146,989.12x = 220,512.84 × 53,502.16
  4. Step 4: Simplify right side
    146,989.12x = 11,797,913,247.73
  5. Step 5: Solve for x
    x = 11,797,913,247.73/146,989.12
  6. Step 6: Final answer
    x = 80,263.85

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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.