Home / 222,022.17-306,389.93-120,046.90

Finding the Fourth Proportional to 222,022.17, 306,389.93 and 120,046.90

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Solution

The fourth proportional to 222,022.17, 306,389.93 and 120,046.90 is: 165,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,022.17 : 306,389.93 = 120,046.90 : x
  2. Step 2: Convert to fraction form
    222,022.17/306,389.93 = 120,046.90/x
  3. Step 3: Cross multiply
    222,022.17x = 306,389.93 × 120,046.90
  4. Step 4: Simplify right side
    222,022.17x = 36,781,161,287.72
  5. Step 5: Solve for x
    x = 36,781,161,287.72/222,022.17
  6. Step 6: Final answer
    x = 165,664.37

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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.