Home / 195,308.42-292,986.06-68,922.56

Finding the Fourth Proportional to 195,308.42, 292,986.06 and 68,922.56

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Solution

The fourth proportional to 195,308.42, 292,986.06 and 68,922.56 is: 103,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,308.42 : 292,986.06 = 68,922.56 : x
  2. Step 2: Convert to fraction form
    195,308.42/292,986.06 = 68,922.56/x
  3. Step 3: Cross multiply
    195,308.42x = 292,986.06 × 68,922.56
  4. Step 4: Simplify right side
    195,308.42x = 20,193,350,161.21
  5. Step 5: Solve for x
    x = 20,193,350,161.21/195,308.42
  6. Step 6: Final answer
    x = 103,392.12

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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.