Home / 175,067.36-262,672.32-81,515.60

Finding the Fourth Proportional to 175,067.36, 262,672.32 and 81,515.60

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Solution

The fourth proportional to 175,067.36, 262,672.32 and 81,515.60 is: 122,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,067.36 : 262,672.32 = 81,515.60 : x
  2. Step 2: Convert to fraction form
    175,067.36/262,672.32 = 81,515.60/x
  3. Step 3: Cross multiply
    175,067.36x = 262,672.32 × 81,515.60
  4. Step 4: Simplify right side
    175,067.36x = 21,411,891,768.19
  5. Step 5: Solve for x
    x = 21,411,891,768.19/175,067.36
  6. Step 6: Final answer
    x = 122,306.59

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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.