Home / 148,754.92-223,171.26-86,365.48

Finding the Fourth Proportional to 148,754.92, 223,171.26 and 86,365.48

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Solution

The fourth proportional to 148,754.92, 223,171.26 and 86,365.48 is: 129,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,754.92 : 223,171.26 = 86,365.48 : x
  2. Step 2: Convert to fraction form
    148,754.92/223,171.26 = 86,365.48/x
  3. Step 3: Cross multiply
    148,754.92x = 223,171.26 × 86,365.48
  4. Step 4: Simplify right side
    148,754.92x = 19,274,292,992.10
  5. Step 5: Solve for x
    x = 19,274,292,992.10/148,754.92
  6. Step 6: Final answer
    x = 129,570.79

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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.