Home / 125,530.44-173,231.40-68,169.30

Finding the Fourth Proportional to 125,530.44, 173,231.40 and 68,169.30

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Solution

The fourth proportional to 125,530.44, 173,231.40 and 68,169.30 is: 94,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,530.44 : 173,231.40 = 68,169.30 : x
  2. Step 2: Convert to fraction form
    125,530.44/173,231.40 = 68,169.30/x
  3. Step 3: Cross multiply
    125,530.44x = 173,231.40 × 68,169.30
  4. Step 4: Simplify right side
    125,530.44x = 11,809,063,276.02
  5. Step 5: Solve for x
    x = 11,809,063,276.02/125,530.44
  6. Step 6: Final answer
    x = 94,073.30

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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.