Home / 199,266.14-298,691.60-86,916.20

Finding the Fourth Proportional to 199,266.14, 298,691.60 and 86,916.20

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Solution

The fourth proportional to 199,266.14, 298,691.60 and 86,916.20 is: 130,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,266.14 : 298,691.60 = 86,916.20 : x
  2. Step 2: Convert to fraction form
    199,266.14/298,691.60 = 86,916.20/x
  3. Step 3: Cross multiply
    199,266.14x = 298,691.60 × 86,916.20
  4. Step 4: Simplify right side
    199,266.14x = 25,961,138,843.92
  5. Step 5: Solve for x
    x = 25,961,138,843.92/199,266.14
  6. Step 6: Final answer
    x = 130,283.74

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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.