Home / 140,204.05-193,476.12-76,542.37

Finding the Fourth Proportional to 140,204.05, 193,476.12 and 76,542.37

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Solution

The fourth proportional to 140,204.05, 193,476.12 and 76,542.37 is: 105,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,204.05 : 193,476.12 = 76,542.37 : x
  2. Step 2: Convert to fraction form
    140,204.05/193,476.12 = 76,542.37/x
  3. Step 3: Cross multiply
    140,204.05x = 193,476.12 × 76,542.37
  4. Step 4: Simplify right side
    140,204.05x = 14,809,120,763.20
  5. Step 5: Solve for x
    x = 14,809,120,763.20/140,204.05
  6. Step 6: Final answer
    x = 105,625.48

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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.