Home / 146,122.40-219,442.80-112,923.20

Finding the Fourth Proportional to 146,122.40, 219,442.80 and 112,923.20

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Solution

The fourth proportional to 146,122.40, 219,442.80 and 112,923.20 is: 169,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,122.40 : 219,442.80 = 112,923.20 : x
  2. Step 2: Convert to fraction form
    146,122.40/219,442.80 = 112,923.20/x
  3. Step 3: Cross multiply
    146,122.40x = 219,442.80 × 112,923.20
  4. Step 4: Simplify right side
    146,122.40x = 24,780,183,192.96
  5. Step 5: Solve for x
    x = 24,780,183,192.96/146,122.40
  6. Step 6: Final answer
    x = 169,585.11

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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.