Home / 128,654.73-192,995.19-44,403.93

Finding the Fourth Proportional to 128,654.73, 192,995.19 and 44,403.93

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Solution

The fourth proportional to 128,654.73, 192,995.19 and 44,403.93 is: 66,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,654.73 : 192,995.19 = 44,403.93 : x
  2. Step 2: Convert to fraction form
    128,654.73/192,995.19 = 44,403.93/x
  3. Step 3: Cross multiply
    128,654.73x = 192,995.19 × 44,403.93
  4. Step 4: Simplify right side
    128,654.73x = 8,569,744,907.10
  5. Step 5: Solve for x
    x = 8,569,744,907.10/128,654.73
  6. Step 6: Final answer
    x = 66,610.41

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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.