Home / 187,981.08-281,958.48-88,163.16

Finding the Fourth Proportional to 187,981.08, 281,958.48 and 88,163.16

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Solution

The fourth proportional to 187,981.08, 281,958.48 and 88,163.16 is: 132,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,981.08 : 281,958.48 = 88,163.16 : x
  2. Step 2: Convert to fraction form
    187,981.08/281,958.48 = 88,163.16/x
  3. Step 3: Cross multiply
    187,981.08x = 281,958.48 × 88,163.16
  4. Step 4: Simplify right side
    187,981.08x = 24,858,350,585.60
  5. Step 5: Solve for x
    x = 24,858,350,585.60/187,981.08
  6. Step 6: Final answer
    x = 132,238.58

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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.