Home / 207,402.01-311,204.66-74,292.55

Finding the Fourth Proportional to 207,402.01, 311,204.66 and 74,292.55

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Solution

The fourth proportional to 207,402.01, 311,204.66 and 74,292.55 is: 111,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,402.01 : 311,204.66 = 74,292.55 : x
  2. Step 2: Convert to fraction form
    207,402.01/311,204.66 = 74,292.55/x
  3. Step 3: Cross multiply
    207,402.01x = 311,204.66 × 74,292.55
  4. Step 4: Simplify right side
    207,402.01x = 23,120,187,763.28
  5. Step 5: Solve for x
    x = 23,120,187,763.28/207,402.01
  6. Step 6: Final answer
    x = 111,475.23

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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.