Home / 272,579.92-376,160.30-151,718.61

Finding the Fourth Proportional to 272,579.92, 376,160.30 and 151,718.61

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Solution

The fourth proportional to 272,579.92, 376,160.30 and 151,718.61 is: 209,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,579.92 : 376,160.30 = 151,718.61 : x
  2. Step 2: Convert to fraction form
    272,579.92/376,160.30 = 151,718.61/x
  3. Step 3: Cross multiply
    272,579.92x = 376,160.30 × 151,718.61
  4. Step 4: Simplify right side
    272,579.92x = 57,070,517,853.18
  5. Step 5: Solve for x
    x = 57,070,517,853.18/272,579.92
  6. Step 6: Final answer
    x = 209,371.69

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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.