Home / 147,241.44-203,139.82-83,542.34

Finding the Fourth Proportional to 147,241.44, 203,139.82 and 83,542.34

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Solution

The fourth proportional to 147,241.44, 203,139.82 and 83,542.34 is: 115,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,241.44 : 203,139.82 = 83,542.34 : x
  2. Step 2: Convert to fraction form
    147,241.44/203,139.82 = 83,542.34/x
  3. Step 3: Cross multiply
    147,241.44x = 203,139.82 × 83,542.34
  4. Step 4: Simplify right side
    147,241.44x = 16,970,775,909.98
  5. Step 5: Solve for x
    x = 16,970,775,909.98/147,241.44
  6. Step 6: Final answer
    x = 115,258.15

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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.