Home / 172,151.20-258,226.98-53,823.16

Finding the Fourth Proportional to 172,151.20, 258,226.98 and 53,823.16

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Solution

The fourth proportional to 172,151.20, 258,226.98 and 53,823.16 is: 80,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,151.20 : 258,226.98 = 53,823.16 : x
  2. Step 2: Convert to fraction form
    172,151.20/258,226.98 = 53,823.16/x
  3. Step 3: Cross multiply
    172,151.20x = 258,226.98 × 53,823.16
  4. Step 4: Simplify right side
    172,151.20x = 13,898,592,060.86
  5. Step 5: Solve for x
    x = 13,898,592,060.86/172,151.20
  6. Step 6: Final answer
    x = 80,734.80

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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.