Home / 199,013.92-298,624.56-88,180

Finding the Fourth Proportional to 199,013.92, 298,624.56 and 88,180

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Solution

The fourth proportional to 199,013.92, 298,624.56 and 88,180 is: 132,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,013.92 : 298,624.56 = 88,180 : x
  2. Step 2: Convert to fraction form
    199,013.92/298,624.56 = 88,180/x
  3. Step 3: Cross multiply
    199,013.92x = 298,624.56 × 88,180
  4. Step 4: Simplify right side
    199,013.92x = 26,332,713,700.80
  5. Step 5: Solve for x
    x = 26,332,713,700.80/199,013.92
  6. Step 6: Final answer
    x = 132,315.94

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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.