Home / 148,254.88-204,591.76-80,271.84

Finding the Fourth Proportional to 148,254.88, 204,591.76 and 80,271.84

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Solution

The fourth proportional to 148,254.88, 204,591.76 and 80,271.84 is: 110,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,254.88 : 204,591.76 = 80,271.84 : x
  2. Step 2: Convert to fraction form
    148,254.88/204,591.76 = 80,271.84/x
  3. Step 3: Cross multiply
    148,254.88x = 204,591.76 × 80,271.84
  4. Step 4: Simplify right side
    148,254.88x = 16,422,957,024.04
  5. Step 5: Solve for x
    x = 16,422,957,024.04/148,254.88
  6. Step 6: Final answer
    x = 110,775.15

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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.