Home / 170,849.10-256,346.55-82,056.90

Finding the Fourth Proportional to 170,849.10, 256,346.55 and 82,056.90

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Solution

The fourth proportional to 170,849.10, 256,346.55 and 82,056.90 is: 123,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,849.10 : 256,346.55 = 82,056.90 : x
  2. Step 2: Convert to fraction form
    170,849.10/256,346.55 = 82,056.90/x
  3. Step 3: Cross multiply
    170,849.10x = 256,346.55 × 82,056.90
  4. Step 4: Simplify right side
    170,849.10x = 21,035,003,218.70
  5. Step 5: Solve for x
    x = 21,035,003,218.70/170,849.10
  6. Step 6: Final answer
    x = 123,120.36

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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.