Home / 178,565.48-268,021.02-131,325.80

Finding the Fourth Proportional to 178,565.48, 268,021.02 and 131,325.80

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Solution

The fourth proportional to 178,565.48, 268,021.02 and 131,325.80 is: 197,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,565.48 : 268,021.02 = 131,325.80 : x
  2. Step 2: Convert to fraction form
    178,565.48/268,021.02 = 131,325.80/x
  3. Step 3: Cross multiply
    178,565.48x = 268,021.02 × 131,325.80
  4. Step 4: Simplify right side
    178,565.48x = 35,198,074,868.32
  5. Step 5: Solve for x
    x = 35,198,074,868.32/178,565.48
  6. Step 6: Final answer
    x = 197,115.79

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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.