Home / 193,784.08-290,581.30-79,910.60

Finding the Fourth Proportional to 193,784.08, 290,581.30 and 79,910.60

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Solution

The fourth proportional to 193,784.08, 290,581.30 and 79,910.60 is: 119,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,784.08 : 290,581.30 = 79,910.60 : x
  2. Step 2: Convert to fraction form
    193,784.08/290,581.30 = 79,910.60/x
  3. Step 3: Cross multiply
    193,784.08x = 290,581.30 × 79,910.60
  4. Step 4: Simplify right side
    193,784.08x = 23,220,526,031.78
  5. Step 5: Solve for x
    x = 23,220,526,031.78/193,784.08
  6. Step 6: Final answer
    x = 119,826.80

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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.