Home / 330,316.38-495,471.83-196,309.17

Finding the Fourth Proportional to 330,316.38, 495,471.83 and 196,309.17

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Solution

The fourth proportional to 330,316.38, 495,471.83 and 196,309.17 is: 294,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,316.38 : 495,471.83 = 196,309.17 : x
  2. Step 2: Convert to fraction form
    330,316.38/495,471.83 = 196,309.17/x
  3. Step 3: Cross multiply
    330,316.38x = 495,471.83 × 196,309.17
  4. Step 4: Simplify right side
    330,316.38x = 97,265,663,705.68
  5. Step 5: Solve for x
    x = 97,265,663,705.68/330,316.38
  6. Step 6: Final answer
    x = 294,462.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.