Home / 222,073.12-306,468.16-121,471.04

Finding the Fourth Proportional to 222,073.12, 306,468.16 and 121,471.04

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Solution

The fourth proportional to 222,073.12, 306,468.16 and 121,471.04 is: 167,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,073.12 : 306,468.16 = 121,471.04 : x
  2. Step 2: Convert to fraction form
    222,073.12/306,468.16 = 121,471.04/x
  3. Step 3: Cross multiply
    222,073.12x = 306,468.16 × 121,471.04
  4. Step 4: Simplify right side
    222,073.12x = 37,227,006,122.09
  5. Step 5: Solve for x
    x = 37,227,006,122.09/222,073.12
  6. Step 6: Final answer
    x = 167,634.00

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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.