Home / 204,341.88-306,360.11-140,981.20

Finding the Fourth Proportional to 204,341.88, 306,360.11 and 140,981.20

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Solution

The fourth proportional to 204,341.88, 306,360.11 and 140,981.20 is: 211,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,341.88 : 306,360.11 = 140,981.20 : x
  2. Step 2: Convert to fraction form
    204,341.88/306,360.11 = 140,981.20/x
  3. Step 3: Cross multiply
    204,341.88x = 306,360.11 × 140,981.20
  4. Step 4: Simplify right side
    204,341.88x = 43,191,016,146.66
  5. Step 5: Solve for x
    x = 43,191,016,146.66/204,341.88
  6. Step 6: Final answer
    x = 211,366.44

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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.