Home / 148,155.14-204,452.54-80,170.63

Finding the Fourth Proportional to 148,155.14, 204,452.54 and 80,170.63

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Solution

The fourth proportional to 148,155.14, 204,452.54 and 80,170.63 is: 110,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,155.14 : 204,452.54 = 80,170.63 : x
  2. Step 2: Convert to fraction form
    148,155.14/204,452.54 = 80,170.63/x
  3. Step 3: Cross multiply
    148,155.14x = 204,452.54 × 80,170.63
  4. Step 4: Simplify right side
    148,155.14x = 16,391,088,325.56
  5. Step 5: Solve for x
    x = 16,391,088,325.56/148,155.14
  6. Step 6: Final answer
    x = 110,634.62

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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.