Home / 147,916.20-221,874.30-132,169.80

Finding the Fourth Proportional to 147,916.20, 221,874.30 and 132,169.80

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Solution

The fourth proportional to 147,916.20, 221,874.30 and 132,169.80 is: 198,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,916.20 : 221,874.30 = 132,169.80 : x
  2. Step 2: Convert to fraction form
    147,916.20/221,874.30 = 132,169.80/x
  3. Step 3: Cross multiply
    147,916.20x = 221,874.30 × 132,169.80
  4. Step 4: Simplify right side
    147,916.20x = 29,325,081,856.14
  5. Step 5: Solve for x
    x = 29,325,081,856.14/147,916.20
  6. Step 6: Final answer
    x = 198,254.70

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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.