Home / 146,481.20-219,746.10-57,737.60

Finding the Fourth Proportional to 146,481.20, 219,746.10 and 57,737.60

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Solution

The fourth proportional to 146,481.20, 219,746.10 and 57,737.60 is: 86,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,481.20 : 219,746.10 = 57,737.60 : x
  2. Step 2: Convert to fraction form
    146,481.20/219,746.10 = 57,737.60/x
  3. Step 3: Cross multiply
    146,481.20x = 219,746.10 × 57,737.60
  4. Step 4: Simplify right side
    146,481.20x = 12,687,612,423.36
  5. Step 5: Solve for x
    x = 12,687,612,423.36/146,481.20
  6. Step 6: Final answer
    x = 86,615.98

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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.