Home / 327,219.49-451,411.34-191,259.17

Finding the Fourth Proportional to 327,219.49, 451,411.34 and 191,259.17

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Solution

The fourth proportional to 327,219.49, 451,411.34 and 191,259.17 is: 263,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,219.49 : 451,411.34 = 191,259.17 : x
  2. Step 2: Convert to fraction form
    327,219.49/451,411.34 = 191,259.17/x
  3. Step 3: Cross multiply
    327,219.49x = 451,411.34 × 191,259.17
  4. Step 4: Simplify right side
    327,219.49x = 86,336,558,216.99
  5. Step 5: Solve for x
    x = 86,336,558,216.99/327,219.49
  6. Step 6: Final answer
    x = 263,849.07

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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.