Home / 311,126.06-429,175.05-196,363.92

Finding the Fourth Proportional to 311,126.06, 429,175.05 and 196,363.92

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Solution

The fourth proportional to 311,126.06, 429,175.05 and 196,363.92 is: 270,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,126.06 : 429,175.05 = 196,363.92 : x
  2. Step 2: Convert to fraction form
    311,126.06/429,175.05 = 196,363.92/x
  3. Step 3: Cross multiply
    311,126.06x = 429,175.05 × 196,363.92
  4. Step 4: Simplify right side
    311,126.06x = 84,274,495,184.20
  5. Step 5: Solve for x
    x = 84,274,495,184.20/311,126.06
  6. Step 6: Final answer
    x = 270,869.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.