Home / 222,024.24-306,387.36-121,422.24

Finding the Fourth Proportional to 222,024.24, 306,387.36 and 121,422.24

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Solution

The fourth proportional to 222,024.24, 306,387.36 and 121,422.24 is: 167,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,024.24 : 306,387.36 = 121,422.24 : x
  2. Step 2: Convert to fraction form
    222,024.24/306,387.36 = 121,422.24/x
  3. Step 3: Cross multiply
    222,024.24x = 306,387.36 × 121,422.24
  4. Step 4: Simplify right side
    222,024.24x = 37,202,239,558.89
  5. Step 5: Solve for x
    x = 37,202,239,558.89/222,024.24
  6. Step 6: Final answer
    x = 167,559.36

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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.