Home / 178,050.80-267,383.40-172,521.20

Finding the Fourth Proportional to 178,050.80, 267,383.40 and 172,521.20

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Solution

The fourth proportional to 178,050.80, 267,383.40 and 172,521.20 is: 259,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,050.80 : 267,383.40 = 172,521.20 : x
  2. Step 2: Convert to fraction form
    178,050.80/267,383.40 = 172,521.20/x
  3. Step 3: Cross multiply
    178,050.80x = 267,383.40 × 172,521.20
  4. Step 4: Simplify right side
    178,050.80x = 46,129,305,028.08
  5. Step 5: Solve for x
    x = 46,129,305,028.08/178,050.80
  6. Step 6: Final answer
    x = 259,079.46

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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.