Home / 193,669.45-290,520.92-53,428.07

Finding the Fourth Proportional to 193,669.45, 290,520.92 and 53,428.07

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Solution

The fourth proportional to 193,669.45, 290,520.92 and 53,428.07 is: 80,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,669.45 : 290,520.92 = 53,428.07 : x
  2. Step 2: Convert to fraction form
    193,669.45/290,520.92 = 53,428.07/x
  3. Step 3: Cross multiply
    193,669.45x = 290,520.92 × 53,428.07
  4. Step 4: Simplify right side
    193,669.45x = 15,521,973,221.08
  5. Step 5: Solve for x
    x = 15,521,973,221.08/193,669.45
  6. Step 6: Final answer
    x = 80,146.73

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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.