Home / 157,649.42-236,467.52-73,380.61

Finding the Fourth Proportional to 157,649.42, 236,467.52 and 73,380.61

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Solution

The fourth proportional to 157,649.42, 236,467.52 and 73,380.61 is: 110,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,649.42 : 236,467.52 = 73,380.61 : x
  2. Step 2: Convert to fraction form
    157,649.42/236,467.52 = 73,380.61/x
  3. Step 3: Cross multiply
    157,649.42x = 236,467.52 × 73,380.61
  4. Step 4: Simplify right side
    157,649.42x = 17,352,129,313.55
  5. Step 5: Solve for x
    x = 17,352,129,313.55/157,649.42
  6. Step 6: Final answer
    x = 110,067.83

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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.