Home / 115,725.20-173,555.40-36,863.60

Finding the Fourth Proportional to 115,725.20, 173,555.40 and 36,863.60

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Solution

The fourth proportional to 115,725.20, 173,555.40 and 36,863.60 is: 55,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,725.20 : 173,555.40 = 36,863.60 : x
  2. Step 2: Convert to fraction form
    115,725.20/173,555.40 = 36,863.60/x
  3. Step 3: Cross multiply
    115,725.20x = 173,555.40 × 36,863.60
  4. Step 4: Simplify right side
    115,725.20x = 6,397,876,843.44
  5. Step 5: Solve for x
    x = 6,397,876,843.44/115,725.20
  6. Step 6: Final answer
    x = 55,285.08

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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.