Home / 179,872.47-269,513.40-61,479.21

Finding the Fourth Proportional to 179,872.47, 269,513.40 and 61,479.21

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Solution

The fourth proportional to 179,872.47, 269,513.40 and 61,479.21 is: 92,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,872.47 : 269,513.40 = 61,479.21 : x
  2. Step 2: Convert to fraction form
    179,872.47/269,513.40 = 61,479.21/x
  3. Step 3: Cross multiply
    179,872.47x = 269,513.40 × 61,479.21
  4. Step 4: Simplify right side
    179,872.47x = 16,569,470,916.41
  5. Step 5: Solve for x
    x = 16,569,470,916.41/179,872.47
  6. Step 6: Final answer
    x = 92,117.88

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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.