Home / 451,569.36-677,665.08-156,081.36

Finding the Fourth Proportional to 451,569.36, 677,665.08 and 156,081.36

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Solution

The fourth proportional to 451,569.36, 677,665.08 and 156,081.36 is: 234,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,569.36 : 677,665.08 = 156,081.36 : x
  2. Step 2: Convert to fraction form
    451,569.36/677,665.08 = 156,081.36/x
  3. Step 3: Cross multiply
    451,569.36x = 677,665.08 × 156,081.36
  4. Step 4: Simplify right side
    451,569.36x = 105,770,887,310.91
  5. Step 5: Solve for x
    x = 105,770,887,310.91/451,569.36
  6. Step 6: Final answer
    x = 234,229.55

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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.