Home / 161,356.72-222,441.44-107,622.12

Finding the Fourth Proportional to 161,356.72, 222,441.44 and 107,622.12

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Solution

The fourth proportional to 161,356.72, 222,441.44 and 107,622.12 is: 148,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,356.72 : 222,441.44 = 107,622.12 : x
  2. Step 2: Convert to fraction form
    161,356.72/222,441.44 = 107,622.12/x
  3. Step 3: Cross multiply
    161,356.72x = 222,441.44 × 107,622.12
  4. Step 4: Simplify right side
    161,356.72x = 23,939,619,348.65
  5. Step 5: Solve for x
    x = 23,939,619,348.65/161,356.72
  6. Step 6: Final answer
    x = 148,364.56

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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.