Home / 195,050.81-292,660.73-68,781.25

Finding the Fourth Proportional to 195,050.81, 292,660.73 and 68,781.25

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Solution

The fourth proportional to 195,050.81, 292,660.73 and 68,781.25 is: 103,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,050.81 : 292,660.73 = 68,781.25 : x
  2. Step 2: Convert to fraction form
    195,050.81/292,660.73 = 68,781.25/x
  3. Step 3: Cross multiply
    195,050.81x = 292,660.73 × 68,781.25
  4. Step 4: Simplify right side
    195,050.81x = 20,129,571,115.16
  5. Step 5: Solve for x
    x = 20,129,571,115.16/195,050.81
  6. Step 6: Final answer
    x = 103,201.68

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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.