Home / 161,027.82-222,065.28-117,380.70

Finding the Fourth Proportional to 161,027.82, 222,065.28 and 117,380.70

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Solution

The fourth proportional to 161,027.82, 222,065.28 and 117,380.70 is: 161,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,027.82 : 222,065.28 = 117,380.70 : x
  2. Step 2: Convert to fraction form
    161,027.82/222,065.28 = 117,380.70/x
  3. Step 3: Cross multiply
    161,027.82x = 222,065.28 × 117,380.70
  4. Step 4: Simplify right side
    161,027.82x = 26,066,178,012.10
  5. Step 5: Solve for x
    x = 26,066,178,012.10/161,027.82
  6. Step 6: Final answer
    x = 161,873.76

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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.