Home / 327,747.42-491,621.13-187,407.66

Finding the Fourth Proportional to 327,747.42, 491,621.13 and 187,407.66

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Solution

The fourth proportional to 327,747.42, 491,621.13 and 187,407.66 is: 281,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,747.42 : 491,621.13 = 187,407.66 : x
  2. Step 2: Convert to fraction form
    327,747.42/491,621.13 = 187,407.66/x
  3. Step 3: Cross multiply
    327,747.42x = 491,621.13 × 187,407.66
  4. Step 4: Simplify right side
    327,747.42x = 92,133,565,579.86
  5. Step 5: Solve for x
    x = 92,133,565,579.86/327,747.42
  6. Step 6: Final answer
    x = 281,111.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.