Home / 122,620.38-183,943.53-52,480.86

Finding the Fourth Proportional to 122,620.38, 183,943.53 and 52,480.86

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Solution

The fourth proportional to 122,620.38, 183,943.53 and 52,480.86 is: 78,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,620.38 : 183,943.53 = 52,480.86 : x
  2. Step 2: Convert to fraction form
    122,620.38/183,943.53 = 52,480.86/x
  3. Step 3: Cross multiply
    122,620.38x = 183,943.53 × 52,480.86
  4. Step 4: Simplify right side
    122,620.38x = 9,653,514,645.84
  5. Step 5: Solve for x
    x = 9,653,514,645.84/122,620.38
  6. Step 6: Final answer
    x = 78,726.84

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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.