Home / 148,324.21-204,687.42-80,341.21

Finding the Fourth Proportional to 148,324.21, 204,687.42 and 80,341.21

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Solution

The fourth proportional to 148,324.21, 204,687.42 and 80,341.21 is: 110,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,324.21 : 204,687.42 = 80,341.21 : x
  2. Step 2: Convert to fraction form
    148,324.21/204,687.42 = 80,341.21/x
  3. Step 3: Cross multiply
    148,324.21x = 204,687.42 × 80,341.21
  4. Step 4: Simplify right side
    148,324.21x = 16,444,835,401.08
  5. Step 5: Solve for x
    x = 16,444,835,401.08/148,324.21
  6. Step 6: Final answer
    x = 110,870.88

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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.