Home / 148,278.44-204,638.88-84,625.76

Finding the Fourth Proportional to 148,278.44, 204,638.88 and 84,625.76

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Solution

The fourth proportional to 148,278.44, 204,638.88 and 84,625.76 is: 116,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,278.44 : 204,638.88 = 84,625.76 : x
  2. Step 2: Convert to fraction form
    148,278.44/204,638.88 = 84,625.76/x
  3. Step 3: Cross multiply
    148,278.44x = 204,638.88 × 84,625.76
  4. Step 4: Simplify right side
    148,278.44x = 17,317,720,745.55
  5. Step 5: Solve for x
    x = 17,317,720,745.55/148,278.44
  6. Step 6: Final answer
    x = 116,791.90

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1.5x scale

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.