Home / 206,320.41-309,527.29-73,200.82

Finding the Fourth Proportional to 206,320.41, 309,527.29 and 73,200.82

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Solution

The fourth proportional to 206,320.41, 309,527.29 and 73,200.82 is: 109,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,320.41 : 309,527.29 = 73,200.82 : x
  2. Step 2: Convert to fraction form
    206,320.41/309,527.29 = 73,200.82/x
  3. Step 3: Cross multiply
    206,320.41x = 309,527.29 × 73,200.82
  4. Step 4: Simplify right side
    206,320.41x = 22,657,651,440.38
  5. Step 5: Solve for x
    x = 22,657,651,440.38/206,320.41
  6. Step 6: Final answer
    x = 109,817.79

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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.