Home / 193,827.68-290,854.32-81,499.76

Finding the Fourth Proportional to 193,827.68, 290,854.32 and 81,499.76

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Solution

The fourth proportional to 193,827.68, 290,854.32 and 81,499.76 is: 122,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,827.68 : 290,854.32 = 81,499.76 : x
  2. Step 2: Convert to fraction form
    193,827.68/290,854.32 = 81,499.76/x
  3. Step 3: Cross multiply
    193,827.68x = 290,854.32 × 81,499.76
  4. Step 4: Simplify right side
    193,827.68x = 23,704,557,274.96
  5. Step 5: Solve for x
    x = 23,704,557,274.96/193,827.68
  6. Step 6: Final answer
    x = 122,297.07

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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.