Home / 159,965.52-220,754.08-88,347.36

Finding the Fourth Proportional to 159,965.52, 220,754.08 and 88,347.36

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Solution

The fourth proportional to 159,965.52, 220,754.08 and 88,347.36 is: 121,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,965.52 : 220,754.08 = 88,347.36 : x
  2. Step 2: Convert to fraction form
    159,965.52/220,754.08 = 88,347.36/x
  3. Step 3: Cross multiply
    159,965.52x = 220,754.08 × 88,347.36
  4. Step 4: Simplify right side
    159,965.52x = 19,503,040,177.23
  5. Step 5: Solve for x
    x = 19,503,040,177.23/159,965.52
  6. Step 6: Final answer
    x = 121,920.27

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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.