Home / 269,541.76-371,937.90-156,342.64

Finding the Fourth Proportional to 269,541.76, 371,937.90 and 156,342.64

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Solution

The fourth proportional to 269,541.76, 371,937.90 and 156,342.64 is: 215,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,541.76 : 371,937.90 = 156,342.64 : x
  2. Step 2: Convert to fraction form
    269,541.76/371,937.90 = 156,342.64/x
  3. Step 3: Cross multiply
    269,541.76x = 371,937.90 × 156,342.64
  4. Step 4: Simplify right side
    269,541.76x = 58,149,753,202.06
  5. Step 5: Solve for x
    x = 58,149,753,202.06/269,541.76
  6. Step 6: Final answer
    x = 215,735.60

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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.