Home / 150,418.42-207,579.71-82,434.92

Finding the Fourth Proportional to 150,418.42, 207,579.71 and 82,434.92

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Solution

The fourth proportional to 150,418.42, 207,579.71 and 82,434.92 is: 113,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,418.42 : 207,579.71 = 82,434.92 : x
  2. Step 2: Convert to fraction form
    150,418.42/207,579.71 = 82,434.92/x
  3. Step 3: Cross multiply
    150,418.42x = 207,579.71 × 82,434.92
  4. Step 4: Simplify right side
    150,418.42x = 17,111,815,955.66
  5. Step 5: Solve for x
    x = 17,111,815,955.66/150,418.42
  6. Step 6: Final answer
    x = 113,761.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.