Home / 146,025.76-218,985.18-71,123.44

Finding the Fourth Proportional to 146,025.76, 218,985.18 and 71,123.44

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Solution

The fourth proportional to 146,025.76, 218,985.18 and 71,123.44 is: 106,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,025.76 : 218,985.18 = 71,123.44 : x
  2. Step 2: Convert to fraction form
    146,025.76/218,985.18 = 71,123.44/x
  3. Step 3: Cross multiply
    146,025.76x = 218,985.18 × 71,123.44
  4. Step 4: Simplify right side
    146,025.76x = 15,574,979,310.62
  5. Step 5: Solve for x
    x = 15,574,979,310.62/146,025.76
  6. Step 6: Final answer
    x = 106,659.12

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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.