Home / 150,723.28-226,069.32-75,812.86

Finding the Fourth Proportional to 150,723.28, 226,069.32 and 75,812.86

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Solution

The fourth proportional to 150,723.28, 226,069.32 and 75,812.86 is: 113,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,723.28 : 226,069.32 = 75,812.86 : x
  2. Step 2: Convert to fraction form
    150,723.28/226,069.32 = 75,812.86/x
  3. Step 3: Cross multiply
    150,723.28x = 226,069.32 × 75,812.86
  4. Step 4: Simplify right side
    150,723.28x = 17,138,960,577.11
  5. Step 5: Solve for x
    x = 17,138,960,577.11/150,723.28
  6. Step 6: Final answer
    x = 113,711.44

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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.