Home / 159,905.24-220,667.82-88,283.74

Finding the Fourth Proportional to 159,905.24, 220,667.82 and 88,283.74

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Solution

The fourth proportional to 159,905.24, 220,667.82 and 88,283.74 is: 121,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,905.24 : 220,667.82 = 88,283.74 : x
  2. Step 2: Convert to fraction form
    159,905.24/220,667.82 = 88,283.74/x
  3. Step 3: Cross multiply
    159,905.24x = 220,667.82 × 88,283.74
  4. Step 4: Simplify right side
    159,905.24x = 19,481,380,447.25
  5. Step 5: Solve for x
    x = 19,481,380,447.25/159,905.24
  6. Step 6: Final answer
    x = 121,830.78

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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.