Home / 313,696.14-432,899.82-170,456.70

Finding the Fourth Proportional to 313,696.14, 432,899.82 and 170,456.70

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Solution

The fourth proportional to 313,696.14, 432,899.82 and 170,456.70 is: 235,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,696.14 : 432,899.82 = 170,456.70 : x
  2. Step 2: Convert to fraction form
    313,696.14/432,899.82 = 170,456.70/x
  3. Step 3: Cross multiply
    313,696.14x = 432,899.82 × 170,456.70
  4. Step 4: Simplify right side
    313,696.14x = 73,790,674,747.79
  5. Step 5: Solve for x
    x = 73,790,674,747.79/313,696.14
  6. Step 6: Final answer
    x = 235,229.78

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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.