Home / 250,239.96-345,220.56-196,680.65

Finding the Fourth Proportional to 250,239.96, 345,220.56 and 196,680.65

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Solution

The fourth proportional to 250,239.96, 345,220.56 and 196,680.65 is: 271,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,239.96 : 345,220.56 = 196,680.65 : x
  2. Step 2: Convert to fraction form
    250,239.96/345,220.56 = 196,680.65/x
  3. Step 3: Cross multiply
    250,239.96x = 345,220.56 × 196,680.65
  4. Step 4: Simplify right side
    250,239.96x = 67,898,202,408.06
  5. Step 5: Solve for x
    x = 67,898,202,408.06/250,239.96
  6. Step 6: Final answer
    x = 271,332.37

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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.