Home / 138,793.19-208,190.33-33,612.26

Finding the Fourth Proportional to 138,793.19, 208,190.33 and 33,612.26

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Solution

The fourth proportional to 138,793.19, 208,190.33 and 33,612.26 is: 50,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,793.19 : 208,190.33 = 33,612.26 : x
  2. Step 2: Convert to fraction form
    138,793.19/208,190.33 = 33,612.26/x
  3. Step 3: Cross multiply
    138,793.19x = 208,190.33 × 33,612.26
  4. Step 4: Simplify right side
    138,793.19x = 6,997,747,501.45
  5. Step 5: Solve for x
    x = 6,997,747,501.45/138,793.19
  6. Step 6: Final answer
    x = 50,418.52

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1.5x scale

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.