Home / 338,916.29-467,687.63-193,717.72

Finding the Fourth Proportional to 338,916.29, 467,687.63 and 193,717.72

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Solution

The fourth proportional to 338,916.29, 467,687.63 and 193,717.72 is: 267,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,916.29 : 467,687.63 = 193,717.72 : x
  2. Step 2: Convert to fraction form
    338,916.29/467,687.63 = 193,717.72/x
  3. Step 3: Cross multiply
    338,916.29x = 467,687.63 × 193,717.72
  4. Step 4: Simplify right side
    338,916.29x = 90,599,381,355.80
  5. Step 5: Solve for x
    x = 90,599,381,355.80/338,916.29
  6. Step 6: Final answer
    x = 267,320.82

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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.