Home / 199,029.60-274,655.52-108,383.76

Finding the Fourth Proportional to 199,029.60, 274,655.52 and 108,383.76

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Solution

The fourth proportional to 199,029.60, 274,655.52 and 108,383.76 is: 149,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,029.60 : 274,655.52 = 108,383.76 : x
  2. Step 2: Convert to fraction form
    199,029.60/274,655.52 = 108,383.76/x
  3. Step 3: Cross multiply
    199,029.60x = 274,655.52 × 108,383.76
  4. Step 4: Simplify right side
    199,029.60x = 29,768,197,962.36
  5. Step 5: Solve for x
    x = 29,768,197,962.36/199,029.60
  6. Step 6: Final answer
    x = 149,566.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.