Home / 161,376.45-222,546.63-103,251.56

Finding the Fourth Proportional to 161,376.45, 222,546.63 and 103,251.56

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Solution

The fourth proportional to 161,376.45, 222,546.63 and 103,251.56 is: 142,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,376.45 : 222,546.63 = 103,251.56 : x
  2. Step 2: Convert to fraction form
    161,376.45/222,546.63 = 103,251.56/x
  3. Step 3: Cross multiply
    161,376.45x = 222,546.63 × 103,251.56
  4. Step 4: Simplify right side
    161,376.45x = 22,978,285,607.51
  5. Step 5: Solve for x
    x = 22,978,285,607.51/161,376.45
  6. Step 6: Final answer
    x = 142,389.34

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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.