Home / 115,916.10-173,874.15-89,672.10

Finding the Fourth Proportional to 115,916.10, 173,874.15 and 89,672.10

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Solution

The fourth proportional to 115,916.10, 173,874.15 and 89,672.10 is: 134,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916.10 : 173,874.15 = 89,672.10 : x
  2. Step 2: Convert to fraction form
    115,916.10/173,874.15 = 89,672.10/x
  3. Step 3: Cross multiply
    115,916.10x = 173,874.15 × 89,672.10
  4. Step 4: Simplify right side
    115,916.10x = 15,591,660,166.22
  5. Step 5: Solve for x
    x = 15,591,660,166.22/115,916.10
  6. Step 6: Final answer
    x = 134,508.15

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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.