Home / 276,787.41-413,664.40-202,064.91

Finding the Fourth Proportional to 276,787.41, 413,664.40 and 202,064.91

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Solution

The fourth proportional to 276,787.41, 413,664.40 and 202,064.91 is: 301,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,787.41 : 413,664.40 = 202,064.91 : x
  2. Step 2: Convert to fraction form
    276,787.41/413,664.40 = 202,064.91/x
  3. Step 3: Cross multiply
    276,787.41x = 413,664.40 × 202,064.91
  4. Step 4: Simplify right side
    276,787.41x = 83,587,059,756.20
  5. Step 5: Solve for x
    x = 83,587,059,756.20/276,787.41
  6. Step 6: Final answer
    x = 301,990.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.