Home / 327,453.12-451,719.88-191,398.18

Finding the Fourth Proportional to 327,453.12, 451,719.88 and 191,398.18

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Solution

The fourth proportional to 327,453.12, 451,719.88 and 191,398.18 is: 264,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,453.12 : 451,719.88 = 191,398.18 : x
  2. Step 2: Convert to fraction form
    327,453.12/451,719.88 = 191,398.18/x
  3. Step 3: Cross multiply
    327,453.12x = 451,719.88 × 191,398.18
  4. Step 4: Simplify right side
    327,453.12x = 86,458,362,901.82
  5. Step 5: Solve for x
    x = 86,458,362,901.82/327,453.12
  6. Step 6: Final answer
    x = 264,032.80

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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.