Home / 161,107.41-222,390.22-107,372.82

Finding the Fourth Proportional to 161,107.41, 222,390.22 and 107,372.82

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Solution

The fourth proportional to 161,107.41, 222,390.22 and 107,372.82 is: 148,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,107.41 : 222,390.22 = 107,372.82 : x
  2. Step 2: Convert to fraction form
    161,107.41/222,390.22 = 107,372.82/x
  3. Step 3: Cross multiply
    161,107.41x = 222,390.22 × 107,372.82
  4. Step 4: Simplify right side
    161,107.41x = 23,878,664,103.25
  5. Step 5: Solve for x
    x = 23,878,664,103.25/161,107.41
  6. Step 6: Final answer
    x = 148,215.81

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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.