Home / 143,733.76-215,593.32-54,980.44

Finding the Fourth Proportional to 143,733.76, 215,593.32 and 54,980.44

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Solution

The fourth proportional to 143,733.76, 215,593.32 and 54,980.44 is: 82,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,733.76 : 215,593.32 = 54,980.44 : x
  2. Step 2: Convert to fraction form
    143,733.76/215,593.32 = 54,980.44/x
  3. Step 3: Cross multiply
    143,733.76x = 215,593.32 × 54,980.44
  4. Step 4: Simplify right side
    143,733.76x = 11,853,415,594.66
  5. Step 5: Solve for x
    x = 11,853,415,594.66/143,733.76
  6. Step 6: Final answer
    x = 82,467.86

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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.