Home / 193,558.20-290,337.30-53,316.60

Finding the Fourth Proportional to 193,558.20, 290,337.30 and 53,316.60

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Solution

The fourth proportional to 193,558.20, 290,337.30 and 53,316.60 is: 79,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,558.20 : 290,337.30 = 53,316.60 : x
  2. Step 2: Convert to fraction form
    193,558.20/290,337.30 = 53,316.60/x
  3. Step 3: Cross multiply
    193,558.20x = 290,337.30 × 53,316.60
  4. Step 4: Simplify right side
    193,558.20x = 15,479,797,689.18
  5. Step 5: Solve for x
    x = 15,479,797,689.18/193,558.20
  6. Step 6: Final answer
    x = 79,974.90

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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.