Home / 398,828.16-597,721.68-161,893.44

Finding the Fourth Proportional to 398,828.16, 597,721.68 and 161,893.44

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Solution

The fourth proportional to 398,828.16, 597,721.68 and 161,893.44 is: 242,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,828.16 : 597,721.68 = 161,893.44 : x
  2. Step 2: Convert to fraction form
    398,828.16/597,721.68 = 161,893.44/x
  3. Step 3: Cross multiply
    398,828.16x = 597,721.68 × 161,893.44
  4. Step 4: Simplify right side
    398,828.16x = 96,767,218,937.78
  5. Step 5: Solve for x
    x = 96,767,218,937.78/398,828.16
  6. Step 6: Final answer
    x = 242,628.85

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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.