Home / 220,986.60-331,595.10-96,340.20

Finding the Fourth Proportional to 220,986.60, 331,595.10 and 96,340.20

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Solution

The fourth proportional to 220,986.60, 331,595.10 and 96,340.20 is: 144,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,986.60 : 331,595.10 = 96,340.20 : x
  2. Step 2: Convert to fraction form
    220,986.60/331,595.10 = 96,340.20/x
  3. Step 3: Cross multiply
    220,986.60x = 331,595.10 × 96,340.20
  4. Step 4: Simplify right side
    220,986.60x = 31,945,938,253.02
  5. Step 5: Solve for x
    x = 31,945,938,253.02/220,986.60
  6. Step 6: Final answer
    x = 144,560.52

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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.