Home / 140,233.92-193,539.84-79,819.44

Finding the Fourth Proportional to 140,233.92, 193,539.84 and 79,819.44

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Solution

The fourth proportional to 140,233.92, 193,539.84 and 79,819.44 is: 110,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,233.92 : 193,539.84 = 79,819.44 : x
  2. Step 2: Convert to fraction form
    140,233.92/193,539.84 = 79,819.44/x
  3. Step 3: Cross multiply
    140,233.92x = 193,539.84 × 79,819.44
  4. Step 4: Simplify right side
    140,233.92x = 15,448,241,646.49
  5. Step 5: Solve for x
    x = 15,448,241,646.49/140,233.92
  6. Step 6: Final answer
    x = 110,160.52

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1.5x scale

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.