Home / 222,455.24-306,991.86-121,846.76

Finding the Fourth Proportional to 222,455.24, 306,991.86 and 121,846.76

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Solution

The fourth proportional to 222,455.24, 306,991.86 and 121,846.76 is: 168,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,455.24 : 306,991.86 = 121,846.76 : x
  2. Step 2: Convert to fraction form
    222,455.24/306,991.86 = 121,846.76/x
  3. Step 3: Cross multiply
    222,455.24x = 306,991.86 × 121,846.76
  4. Step 4: Simplify right side
    222,455.24x = 37,405,963,487.37
  5. Step 5: Solve for x
    x = 37,405,963,487.37/222,455.24
  6. Step 6: Final answer
    x = 168,150.52

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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.