Home / 193,983.26-291,045.96-81,691.74

Finding the Fourth Proportional to 193,983.26, 291,045.96 and 81,691.74

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Solution

The fourth proportional to 193,983.26, 291,045.96 and 81,691.74 is: 122,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,983.26 : 291,045.96 = 81,691.74 : x
  2. Step 2: Convert to fraction form
    193,983.26/291,045.96 = 81,691.74/x
  3. Step 3: Cross multiply
    193,983.26x = 291,045.96 × 81,691.74
  4. Step 4: Simplify right side
    193,983.26x = 23,776,050,892.37
  5. Step 5: Solve for x
    x = 23,776,050,892.37/193,983.26
  6. Step 6: Final answer
    x = 122,567.54

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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.