Home / 111,449.49-167,199.08-52,253.61

Finding the Fourth Proportional to 111,449.49, 167,199.08 and 52,253.61

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Solution

The fourth proportional to 111,449.49, 167,199.08 and 52,253.61 is: 78,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,449.49 : 167,199.08 = 52,253.61 : x
  2. Step 2: Convert to fraction form
    111,449.49/167,199.08 = 52,253.61/x
  3. Step 3: Cross multiply
    111,449.49x = 167,199.08 × 52,253.61
  4. Step 4: Simplify right side
    111,449.49x = 8,736,755,257.41
  5. Step 5: Solve for x
    x = 8,736,755,257.41/111,449.49
  6. Step 6: Final answer
    x = 78,392.06

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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.