Home / 193,221.25-266,648.05-116,729.71

Finding the Fourth Proportional to 193,221.25, 266,648.05 and 116,729.71

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Solution

The fourth proportional to 193,221.25, 266,648.05 and 116,729.71 is: 161,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,221.25 : 266,648.05 = 116,729.71 : x
  2. Step 2: Convert to fraction form
    193,221.25/266,648.05 = 116,729.71/x
  3. Step 3: Cross multiply
    193,221.25x = 266,648.05 × 116,729.71
  4. Step 4: Simplify right side
    193,221.25x = 31,125,749,027.86
  5. Step 5: Solve for x
    x = 31,125,749,027.86/193,221.25
  6. Step 6: Final answer
    x = 161,088.65

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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.