Home / 155,108.39-232,709.30-55,255.55

Finding the Fourth Proportional to 155,108.39, 232,709.30 and 55,255.55

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Solution

The fourth proportional to 155,108.39, 232,709.30 and 55,255.55 is: 82,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,108.39 : 232,709.30 = 55,255.55 : x
  2. Step 2: Convert to fraction form
    155,108.39/232,709.30 = 55,255.55/x
  3. Step 3: Cross multiply
    155,108.39x = 232,709.30 × 55,255.55
  4. Step 4: Simplify right side
    155,108.39x = 12,858,480,361.62
  5. Step 5: Solve for x
    x = 12,858,480,361.62/155,108.39
  6. Step 6: Final answer
    x = 82,899.97

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1.5x scale

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.