Home / 175,060.20-262,590.30-172,144.20

Finding the Fourth Proportional to 175,060.20, 262,590.30 and 172,144.20

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Solution

The fourth proportional to 175,060.20, 262,590.30 and 172,144.20 is: 258,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,060.20 : 262,590.30 = 172,144.20 : x
  2. Step 2: Convert to fraction form
    175,060.20/262,590.30 = 172,144.20/x
  3. Step 3: Cross multiply
    175,060.20x = 262,590.30 × 172,144.20
  4. Step 4: Simplify right side
    175,060.20x = 45,203,397,121.26
  5. Step 5: Solve for x
    x = 45,203,397,121.26/175,060.20
  6. Step 6: Final answer
    x = 258,216.30

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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.