Home / 316,408.24-474,649.17-111,179.80

Finding the Fourth Proportional to 316,408.24, 474,649.17 and 111,179.80

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Solution

The fourth proportional to 316,408.24, 474,649.17 and 111,179.80 is: 166,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,408.24 : 474,649.17 = 111,179.80 : x
  2. Step 2: Convert to fraction form
    316,408.24/474,649.17 = 111,179.80/x
  3. Step 3: Cross multiply
    316,408.24x = 474,649.17 × 111,179.80
  4. Step 4: Simplify right side
    316,408.24x = 52,771,399,790.77
  5. Step 5: Solve for x
    x = 52,771,399,790.77/316,408.24
  6. Step 6: Final answer
    x = 166,782.63

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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.