Home / 125,558.59-173,272.12-68,198.46

Finding the Fourth Proportional to 125,558.59, 173,272.12 and 68,198.46

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Solution

The fourth proportional to 125,558.59, 173,272.12 and 68,198.46 is: 94,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,558.59 : 173,272.12 = 68,198.46 : x
  2. Step 2: Convert to fraction form
    125,558.59/173,272.12 = 68,198.46/x
  3. Step 3: Cross multiply
    125,558.59x = 173,272.12 × 68,198.46
  4. Step 4: Simplify right side
    125,558.59x = 11,816,891,744.94
  5. Step 5: Solve for x
    x = 11,816,891,744.94/125,558.59
  6. Step 6: Final answer
    x = 94,114.56

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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.