Home / 198,110-296,829.56-141,663.54

Finding the Fourth Proportional to 198,110, 296,829.56 and 141,663.54

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Solution

The fourth proportional to 198,110, 296,829.56 and 141,663.54 is: 212,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,110 : 296,829.56 = 141,663.54 : x
  2. Step 2: Convert to fraction form
    198,110/296,829.56 = 141,663.54/x
  3. Step 3: Cross multiply
    198,110x = 296,829.56 × 141,663.54
  4. Step 4: Simplify right side
    198,110x = 42,049,926,246.24
  5. Step 5: Solve for x
    x = 42,049,926,246.24/198,110
  6. Step 6: Final answer
    x = 212,255.45

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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.