Home / 161,156.28-222,164.72-113,260.98

Finding the Fourth Proportional to 161,156.28, 222,164.72 and 113,260.98

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Solution

The fourth proportional to 161,156.28, 222,164.72 and 113,260.98 is: 156,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,156.28 : 222,164.72 = 113,260.98 : x
  2. Step 2: Convert to fraction form
    161,156.28/222,164.72 = 113,260.98/x
  3. Step 3: Cross multiply
    161,156.28x = 222,164.72 × 113,260.98
  4. Step 4: Simplify right side
    161,156.28x = 25,162,595,237.26
  5. Step 5: Solve for x
    x = 25,162,595,237.26/161,156.28
  6. Step 6: Final answer
    x = 156,137.85

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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.