Home / 329,975.06-495,016.20-102,217.49

Finding the Fourth Proportional to 329,975.06, 495,016.20 and 102,217.49

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Solution

The fourth proportional to 329,975.06, 495,016.20 and 102,217.49 is: 153,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,975.06 : 495,016.20 = 102,217.49 : x
  2. Step 2: Convert to fraction form
    329,975.06/495,016.20 = 102,217.49/x
  3. Step 3: Cross multiply
    329,975.06x = 495,016.20 × 102,217.49
  4. Step 4: Simplify right side
    329,975.06x = 50,599,313,473.34
  5. Step 5: Solve for x
    x = 50,599,313,473.34/329,975.06
  6. Step 6: Final answer
    x = 153,342.84

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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.