Home / 313,109.43-432,131.70-175,340.80

Finding the Fourth Proportional to 313,109.43, 432,131.70 and 175,340.80

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Solution

The fourth proportional to 313,109.43, 432,131.70 and 175,340.80 is: 241,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,109.43 : 432,131.70 = 175,340.80 : x
  2. Step 2: Convert to fraction form
    313,109.43/432,131.70 = 175,340.80/x
  3. Step 3: Cross multiply
    313,109.43x = 432,131.70 × 175,340.80
  4. Step 4: Simplify right side
    313,109.43x = 75,770,317,983.36
  5. Step 5: Solve for x
    x = 75,770,317,983.36/313,109.43
  6. Step 6: Final answer
    x = 241,993.09

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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.