Home / 222,947.22-307,662.18-120,972.84

Finding the Fourth Proportional to 222,947.22, 307,662.18 and 120,972.84

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Solution

The fourth proportional to 222,947.22, 307,662.18 and 120,972.84 is: 166,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,947.22 : 307,662.18 = 120,972.84 : x
  2. Step 2: Convert to fraction form
    222,947.22/307,662.18 = 120,972.84/x
  3. Step 3: Cross multiply
    222,947.22x = 307,662.18 × 120,972.84
  4. Step 4: Simplify right side
    222,947.22x = 37,218,767,675.19
  5. Step 5: Solve for x
    x = 37,218,767,675.19/222,947.22
  6. Step 6: Final answer
    x = 166,939.82

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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.