Home / 329,031.13-454,093.61-199,939.81

Finding the Fourth Proportional to 329,031.13, 454,093.61 and 199,939.81

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Solution

The fourth proportional to 329,031.13, 454,093.61 and 199,939.81 is: 275,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,031.13 : 454,093.61 = 199,939.81 : x
  2. Step 2: Convert to fraction form
    329,031.13/454,093.61 = 199,939.81/x
  3. Step 3: Cross multiply
    329,031.13x = 454,093.61 × 199,939.81
  4. Step 4: Simplify right side
    329,031.13x = 90,791,390,105.61
  5. Step 5: Solve for x
    x = 90,791,390,105.61/329,031.13
  6. Step 6: Final answer
    x = 275,935.56

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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.