Home / 148,725.26-205,232.48-86,654.61

Finding the Fourth Proportional to 148,725.26, 205,232.48 and 86,654.61

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Solution

The fourth proportional to 148,725.26, 205,232.48 and 86,654.61 is: 119,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,725.26 : 205,232.48 = 86,654.61 : x
  2. Step 2: Convert to fraction form
    148,725.26/205,232.48 = 86,654.61/x
  3. Step 3: Cross multiply
    148,725.26x = 205,232.48 × 86,654.61
  4. Step 4: Simplify right side
    148,725.26x = 17,784,340,892.85
  5. Step 5: Solve for x
    x = 17,784,340,892.85/148,725.26
  6. Step 6: Final answer
    x = 119,578.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.