Home / 327,123.18-451,351.17-191,079.90

Finding the Fourth Proportional to 327,123.18, 451,351.17 and 191,079.90

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Solution

The fourth proportional to 327,123.18, 451,351.17 and 191,079.90 is: 263,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,123.18 : 451,351.17 = 191,079.90 : x
  2. Step 2: Convert to fraction form
    327,123.18/451,351.17 = 191,079.90/x
  3. Step 3: Cross multiply
    327,123.18x = 451,351.17 × 191,079.90
  4. Step 4: Simplify right side
    327,123.18x = 86,244,136,428.48
  5. Step 5: Solve for x
    x = 86,244,136,428.48/327,123.18
  6. Step 6: Final answer
    x = 263,644.22

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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.