Home / 146,822.10-220,233.15-87,627.30

Finding the Fourth Proportional to 146,822.10, 220,233.15 and 87,627.30

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Solution

The fourth proportional to 146,822.10, 220,233.15 and 87,627.30 is: 131,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.10 : 220,233.15 = 87,627.30 : x
  2. Step 2: Convert to fraction form
    146,822.10/220,233.15 = 87,627.30/x
  3. Step 3: Cross multiply
    146,822.10x = 220,233.15 × 87,627.30
  4. Step 4: Simplify right side
    146,822.10x = 19,298,436,305.00
  5. Step 5: Solve for x
    x = 19,298,436,305.00/146,822.10
  6. Step 6: Final answer
    x = 131,440.95

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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.