Home / 327,153.55-451,440.79-191,219.35

Finding the Fourth Proportional to 327,153.55, 451,440.79 and 191,219.35

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Solution

The fourth proportional to 327,153.55, 451,440.79 and 191,219.35 is: 263,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,153.55 : 451,440.79 = 191,219.35 : x
  2. Step 2: Convert to fraction form
    327,153.55/451,440.79 = 191,219.35/x
  3. Step 3: Cross multiply
    327,153.55x = 451,440.79 × 191,219.35
  4. Step 4: Simplify right side
    327,153.55x = 86,324,214,427.29
  5. Step 5: Solve for x
    x = 86,324,214,427.29/327,153.55
  6. Step 6: Final answer
    x = 263,864.52

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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.