Home / 122,326.80-183,490.20-82,468.73

Finding the Fourth Proportional to 122,326.80, 183,490.20 and 82,468.73

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Solution

The fourth proportional to 122,326.80, 183,490.20 and 82,468.73 is: 123,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,326.80 : 183,490.20 = 82,468.73 : x
  2. Step 2: Convert to fraction form
    122,326.80/183,490.20 = 82,468.73/x
  3. Step 3: Cross multiply
    122,326.80x = 183,490.20 × 82,468.73
  4. Step 4: Simplify right side
    122,326.80x = 15,132,203,761.45
  5. Step 5: Solve for x
    x = 15,132,203,761.45/122,326.80
  6. Step 6: Final answer
    x = 123,703.10

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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.