Home / 451,885.20-677,827.80-136,301.10

Finding the Fourth Proportional to 451,885.20, 677,827.80 and 136,301.10

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Solution

The fourth proportional to 451,885.20, 677,827.80 and 136,301.10 is: 204,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,885.20 : 677,827.80 = 136,301.10 : x
  2. Step 2: Convert to fraction form
    451,885.20/677,827.80 = 136,301.10/x
  3. Step 3: Cross multiply
    451,885.20x = 677,827.80 × 136,301.10
  4. Step 4: Simplify right side
    451,885.20x = 92,388,674,750.58
  5. Step 5: Solve for x
    x = 92,388,674,750.58/451,885.20
  6. Step 6: Final answer
    x = 204,451.65

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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.