Home / 194,765.90-268,781.47-122,171.87

Finding the Fourth Proportional to 194,765.90, 268,781.47 and 122,171.87

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Solution

The fourth proportional to 194,765.90, 268,781.47 and 122,171.87 is: 168,600.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,765.90 : 268,781.47 = 122,171.87 : x
  2. Step 2: Convert to fraction form
    194,765.90/268,781.47 = 122,171.87/x
  3. Step 3: Cross multiply
    194,765.90x = 268,781.47 × 122,171.87
  4. Step 4: Simplify right side
    194,765.90x = 32,837,535,177.77
  5. Step 5: Solve for x
    x = 32,837,535,177.77/194,765.90
  6. Step 6: Final answer
    x = 168,600.03

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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.