Home / 122,086.73-182,801.97-77,471.93

Finding the Fourth Proportional to 122,086.73, 182,801.97 and 77,471.93

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Solution

The fourth proportional to 122,086.73, 182,801.97 and 77,471.93 is: 115,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,086.73 : 182,801.97 = 77,471.93 : x
  2. Step 2: Convert to fraction form
    122,086.73/182,801.97 = 77,471.93/x
  3. Step 3: Cross multiply
    122,086.73x = 182,801.97 × 77,471.93
  4. Step 4: Simplify right side
    122,086.73x = 14,162,020,509.69
  5. Step 5: Solve for x
    x = 14,162,020,509.69/122,086.73
  6. Step 6: Final answer
    x = 115,999.68

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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.