Home / 193,428.90-290,150.64-53,198.46

Finding the Fourth Proportional to 193,428.90, 290,150.64 and 53,198.46

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Solution

The fourth proportional to 193,428.90, 290,150.64 and 53,198.46 is: 79,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,428.90 : 290,150.64 = 53,198.46 : x
  2. Step 2: Convert to fraction form
    193,428.90/290,150.64 = 53,198.46/x
  3. Step 3: Cross multiply
    193,428.90x = 290,150.64 × 53,198.46
  4. Step 4: Simplify right side
    193,428.90x = 15,435,567,216.01
  5. Step 5: Solve for x
    x = 15,435,567,216.01/193,428.90
  6. Step 6: Final answer
    x = 79,799.69

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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.