Home / 258,234.28-356,304.91-156,257.17

Finding the Fourth Proportional to 258,234.28, 356,304.91 and 156,257.17

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Solution

The fourth proportional to 258,234.28, 356,304.91 and 156,257.17 is: 215,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,234.28 : 356,304.91 = 156,257.17 : x
  2. Step 2: Convert to fraction form
    258,234.28/356,304.91 = 156,257.17/x
  3. Step 3: Cross multiply
    258,234.28x = 356,304.91 × 156,257.17
  4. Step 4: Simplify right side
    258,234.28x = 55,675,196,893.70
  5. Step 5: Solve for x
    x = 55,675,196,893.70/258,234.28
  6. Step 6: Final answer
    x = 215,599.56

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1.5x scale

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.