Home / 141,916.92-212,876.25-42,078.06

Finding the Fourth Proportional to 141,916.92, 212,876.25 and 42,078.06

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Solution

The fourth proportional to 141,916.92, 212,876.25 and 42,078.06 is: 63,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,916.92 : 212,876.25 = 42,078.06 : x
  2. Step 2: Convert to fraction form
    141,916.92/212,876.25 = 42,078.06/x
  3. Step 3: Cross multiply
    141,916.92x = 212,876.25 × 42,078.06
  4. Step 4: Simplify right side
    141,916.92x = 8,957,419,620.08
  5. Step 5: Solve for x
    x = 8,957,419,620.08/141,916.92
  6. Step 6: Final answer
    x = 63,117.35

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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.