Home / 188,231.95-282,348.33-132,321.90

Finding the Fourth Proportional to 188,231.95, 282,348.33 and 132,321.90

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Solution

The fourth proportional to 188,231.95, 282,348.33 and 132,321.90 is: 198,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,231.95 : 282,348.33 = 132,321.90 : x
  2. Step 2: Convert to fraction form
    188,231.95/282,348.33 = 132,321.90/x
  3. Step 3: Cross multiply
    188,231.95x = 282,348.33 × 132,321.90
  4. Step 4: Simplify right side
    188,231.95x = 37,360,868,794.34
  5. Step 5: Solve for x
    x = 37,360,868,794.34/188,231.95
  6. Step 6: Final answer
    x = 198,483.14

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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.