Home / 206,541.95-309,844.20-73,390.55

Finding the Fourth Proportional to 206,541.95, 309,844.20 and 73,390.55

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Solution

The fourth proportional to 206,541.95, 309,844.20 and 73,390.55 is: 110,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,541.95 : 309,844.20 = 73,390.55 : x
  2. Step 2: Convert to fraction form
    206,541.95/309,844.20 = 73,390.55/x
  3. Step 3: Cross multiply
    206,541.95x = 309,844.20 × 73,390.55
  4. Step 4: Simplify right side
    206,541.95x = 22,739,635,885.36
  5. Step 5: Solve for x
    x = 22,739,635,885.36/206,541.95
  6. Step 6: Final answer
    x = 110,096.94

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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.