Home / 451,423.46-677,356.84-181,540.70

Finding the Fourth Proportional to 451,423.46, 677,356.84 and 181,540.70

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Solution

The fourth proportional to 451,423.46, 677,356.84 and 181,540.70 is: 272,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,423.46 : 677,356.84 = 181,540.70 : x
  2. Step 2: Convert to fraction form
    451,423.46/677,356.84 = 181,540.70/x
  3. Step 3: Cross multiply
    451,423.46x = 677,356.84 × 181,540.70
  4. Step 4: Simplify right side
    451,423.46x = 122,967,834,883.39
  5. Step 5: Solve for x
    x = 122,967,834,883.39/451,423.46
  6. Step 6: Final answer
    x = 272,400.19

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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.