Home / 163,091.70-225,076.19-91,475.69

Finding the Fourth Proportional to 163,091.70, 225,076.19 and 91,475.69

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Solution

The fourth proportional to 163,091.70, 225,076.19 and 91,475.69 is: 126,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,091.70 : 225,076.19 = 91,475.69 : x
  2. Step 2: Convert to fraction form
    163,091.70/225,076.19 = 91,475.69/x
  3. Step 3: Cross multiply
    163,091.70x = 225,076.19 × 91,475.69
  4. Step 4: Simplify right side
    163,091.70x = 20,588,998,200.06
  5. Step 5: Solve for x
    x = 20,588,998,200.06/163,091.70
  6. Step 6: Final answer
    x = 126,241.85

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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.