Home / 102,255.29-153,390.62-27,373.78

Finding the Fourth Proportional to 102,255.29, 153,390.62 and 27,373.78

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Solution

The fourth proportional to 102,255.29, 153,390.62 and 27,373.78 is: 41,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,255.29 : 153,390.62 = 27,373.78 : x
  2. Step 2: Convert to fraction form
    102,255.29/153,390.62 = 27,373.78/x
  3. Step 3: Cross multiply
    102,255.29x = 153,390.62 × 27,373.78
  4. Step 4: Simplify right side
    102,255.29x = 4,198,880,770.90
  5. Step 5: Solve for x
    x = 4,198,880,770.90/102,255.29
  6. Step 6: Final answer
    x = 41,062.72

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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.