Home / 451,104.20-676,807.38-147,512.37

Finding the Fourth Proportional to 451,104.20, 676,807.38 and 147,512.37

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Solution

The fourth proportional to 451,104.20, 676,807.38 and 147,512.37 is: 221,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,104.20 : 676,807.38 = 147,512.37 : x
  2. Step 2: Convert to fraction form
    451,104.20/676,807.38 = 147,512.37/x
  3. Step 3: Cross multiply
    451,104.20x = 676,807.38 × 147,512.37
  4. Step 4: Simplify right side
    451,104.20x = 99,837,463,195.32
  5. Step 5: Solve for x
    x = 99,837,463,195.32/451,104.20
  6. Step 6: Final answer
    x = 221,317.96

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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.