Home / 268,492.20-402,717.22-156,100.75

Finding the Fourth Proportional to 268,492.20, 402,717.22 and 156,100.75

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Solution

The fourth proportional to 268,492.20, 402,717.22 and 156,100.75 is: 234,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,492.20 : 402,717.22 = 156,100.75 : x
  2. Step 2: Convert to fraction form
    268,492.20/402,717.22 = 156,100.75/x
  3. Step 3: Cross multiply
    268,492.20x = 402,717.22 × 156,100.75
  4. Step 4: Simplify right side
    268,492.20x = 62,864,460,079.92
  5. Step 5: Solve for x
    x = 62,864,460,079.92/268,492.20
  6. Step 6: Final answer
    x = 234,138.87

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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.