Home / 171,107.22-236,123.87-99,512.13

Finding the Fourth Proportional to 171,107.22, 236,123.87 and 99,512.13

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Solution

The fourth proportional to 171,107.22, 236,123.87 and 99,512.13 is: 137,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,107.22 : 236,123.87 = 99,512.13 : x
  2. Step 2: Convert to fraction form
    171,107.22/236,123.87 = 99,512.13/x
  3. Step 3: Cross multiply
    171,107.22x = 236,123.87 × 99,512.13
  4. Step 4: Simplify right side
    171,107.22x = 23,497,188,749.98
  5. Step 5: Solve for x
    x = 23,497,188,749.98/171,107.22
  6. Step 6: Final answer
    x = 137,324.36

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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.