Home / 170,790.90-256,186.35-168,458.10

Finding the Fourth Proportional to 170,790.90, 256,186.35 and 168,458.10

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Solution

The fourth proportional to 170,790.90, 256,186.35 and 168,458.10 is: 252,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790.90 : 256,186.35 = 168,458.10 : x
  2. Step 2: Convert to fraction form
    170,790.90/256,186.35 = 168,458.10/x
  3. Step 3: Cross multiply
    170,790.90x = 256,186.35 × 168,458.10
  4. Step 4: Simplify right side
    170,790.90x = 43,156,665,766.94
  5. Step 5: Solve for x
    x = 43,156,665,766.94/170,790.90
  6. Step 6: Final answer
    x = 252,687.15

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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.