Home / 159,734.70-220,433.40-88,122.60

Finding the Fourth Proportional to 159,734.70, 220,433.40 and 88,122.60

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Solution

The fourth proportional to 159,734.70, 220,433.40 and 88,122.60 is: 121,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,734.70 : 220,433.40 = 88,122.60 : x
  2. Step 2: Convert to fraction form
    159,734.70/220,433.40 = 88,122.60/x
  3. Step 3: Cross multiply
    159,734.70x = 220,433.40 × 88,122.60
  4. Step 4: Simplify right side
    159,734.70x = 19,425,164,334.84
  5. Step 5: Solve for x
    x = 19,425,164,334.84/159,734.70
  6. Step 6: Final answer
    x = 121,608.92

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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.