Home / 349,749.76-482,637.60-198,843.52

Finding the Fourth Proportional to 349,749.76, 482,637.60 and 198,843.52

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Solution

The fourth proportional to 349,749.76, 482,637.60 and 198,843.52 is: 274,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,749.76 : 482,637.60 = 198,843.52 : x
  2. Step 2: Convert to fraction form
    349,749.76/482,637.60 = 198,843.52/x
  3. Step 3: Cross multiply
    349,749.76x = 482,637.60 × 198,843.52
  4. Step 4: Simplify right side
    349,749.76x = 95,969,359,268.35
  5. Step 5: Solve for x
    x = 95,969,359,268.35/349,749.76
  6. Step 6: Final answer
    x = 274,394.35

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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.