Home / 276,916.17-382,144.66-149,591.77

Finding the Fourth Proportional to 276,916.17, 382,144.66 and 149,591.77

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Solution

The fourth proportional to 276,916.17, 382,144.66 and 149,591.77 is: 206,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,916.17 : 382,144.66 = 149,591.77 : x
  2. Step 2: Convert to fraction form
    276,916.17/382,144.66 = 149,591.77/x
  3. Step 3: Cross multiply
    276,916.17x = 382,144.66 × 149,591.77
  4. Step 4: Simplify right side
    276,916.17x = 57,165,695,176.83
  5. Step 5: Solve for x
    x = 57,165,695,176.83/276,916.17
  6. Step 6: Final answer
    x = 206,436.82

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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.