Home / 146,543.80-219,815.70-136,046.20

Finding the Fourth Proportional to 146,543.80, 219,815.70 and 136,046.20

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Solution

The fourth proportional to 146,543.80, 219,815.70 and 136,046.20 is: 204,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,543.80 : 219,815.70 = 136,046.20 : x
  2. Step 2: Convert to fraction form
    146,543.80/219,815.70 = 136,046.20/x
  3. Step 3: Cross multiply
    146,543.80x = 219,815.70 × 136,046.20
  4. Step 4: Simplify right side
    146,543.80x = 29,905,090,685.34
  5. Step 5: Solve for x
    x = 29,905,090,685.34/146,543.80
  6. Step 6: Final answer
    x = 204,069.30

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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.