Home / 155,108.14-232,708.92-55,255.30

Finding the Fourth Proportional to 155,108.14, 232,708.92 and 55,255.30

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Solution

The fourth proportional to 155,108.14, 232,708.92 and 55,255.30 is: 82,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,108.14 : 232,708.92 = 55,255.30 : x
  2. Step 2: Convert to fraction form
    155,108.14/232,708.92 = 55,255.30/x
  3. Step 3: Cross multiply
    155,108.14x = 232,708.92 × 55,255.30
  4. Step 4: Simplify right side
    155,108.14x = 12,858,401,187.28
  5. Step 5: Solve for x
    x = 12,858,401,187.28/155,108.14
  6. Step 6: Final answer
    x = 82,899.59

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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.