Home / 161,561.28-222,877.98-113,840.88

Finding the Fourth Proportional to 161,561.28, 222,877.98 and 113,840.88

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Solution

The fourth proportional to 161,561.28, 222,877.98 and 113,840.88 is: 157,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,561.28 : 222,877.98 = 113,840.88 : x
  2. Step 2: Convert to fraction form
    161,561.28/222,877.98 = 113,840.88/x
  3. Step 3: Cross multiply
    161,561.28x = 222,877.98 × 113,840.88
  4. Step 4: Simplify right side
    161,561.28x = 25,372,625,375.82
  5. Step 5: Solve for x
    x = 25,372,625,375.82/161,561.28
  6. Step 6: Final answer
    x = 157,046.45

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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.