Home / 193,288.74-266,747.45-120,734.60

Finding the Fourth Proportional to 193,288.74, 266,747.45 and 120,734.60

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Solution

The fourth proportional to 193,288.74, 266,747.45 and 120,734.60 is: 166,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,288.74 : 266,747.45 = 120,734.60 : x
  2. Step 2: Convert to fraction form
    193,288.74/266,747.45 = 120,734.60/x
  3. Step 3: Cross multiply
    193,288.74x = 266,747.45 × 120,734.60
  4. Step 4: Simplify right side
    193,288.74x = 32,205,644,739.36
  5. Step 5: Solve for x
    x = 32,205,644,739.36/193,288.74
  6. Step 6: Final answer
    x = 166,619.35

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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.