Home / 193,669.42-290,520.87-53,428.04

Finding the Fourth Proportional to 193,669.42, 290,520.87 and 53,428.04

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Solution

The fourth proportional to 193,669.42, 290,520.87 and 53,428.04 is: 80,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,669.42 : 290,520.87 = 53,428.04 : x
  2. Step 2: Convert to fraction form
    193,669.42/290,520.87 = 53,428.04/x
  3. Step 3: Cross multiply
    193,669.42x = 290,520.87 × 53,428.04
  4. Step 4: Simplify right side
    193,669.42x = 15,521,961,588.29
  5. Step 5: Solve for x
    x = 15,521,961,588.29/193,669.42
  6. Step 6: Final answer
    x = 80,146.68

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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.