Home / 92,221.33-126,997.43-80,116.28

Finding the Fourth Proportional to 92,221.33, 126,997.43 and 80,116.28

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Solution

The fourth proportional to 92,221.33, 126,997.43 and 80,116.28 is: 110,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,221.33 : 126,997.43 = 80,116.28 : x
  2. Step 2: Convert to fraction form
    92,221.33/126,997.43 = 80,116.28/x
  3. Step 3: Cross multiply
    92,221.33x = 126,997.43 × 80,116.28
  4. Step 4: Simplify right side
    92,221.33x = 10,174,561,661.16
  5. Step 5: Solve for x
    x = 10,174,561,661.16/92,221.33
  6. Step 6: Final answer
    x = 110,327.65

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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.