Home / 200,527.22-300,800.05-82,115.52

Finding the Fourth Proportional to 200,527.22, 300,800.05 and 82,115.52

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Solution

The fourth proportional to 200,527.22, 300,800.05 and 82,115.52 is: 123,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,527.22 : 300,800.05 = 82,115.52 : x
  2. Step 2: Convert to fraction form
    200,527.22/300,800.05 = 82,115.52/x
  3. Step 3: Cross multiply
    200,527.22x = 300,800.05 × 82,115.52
  4. Step 4: Simplify right side
    200,527.22x = 24,700,350,607.20
  5. Step 5: Solve for x
    x = 24,700,350,607.20/200,527.22
  6. Step 6: Final answer
    x = 123,177.05

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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.