Home / 106,932.72-160,326.17-54,240.60

Finding the Fourth Proportional to 106,932.72, 160,326.17 and 54,240.60

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Solution

The fourth proportional to 106,932.72, 160,326.17 and 54,240.60 is: 81,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,932.72 : 160,326.17 = 54,240.60 : x
  2. Step 2: Convert to fraction form
    106,932.72/160,326.17 = 54,240.60/x
  3. Step 3: Cross multiply
    106,932.72x = 160,326.17 × 54,240.60
  4. Step 4: Simplify right side
    106,932.72x = 8,696,187,656.50
  5. Step 5: Solve for x
    x = 8,696,187,656.50/106,932.72
  6. Step 6: Final answer
    x = 81,323.92

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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.