Home / 199,330.76-298,996.14-81,011.33

Finding the Fourth Proportional to 199,330.76, 298,996.14 and 81,011.33

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Solution

The fourth proportional to 199,330.76, 298,996.14 and 81,011.33 is: 121,517.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330.76 : 298,996.14 = 81,011.33 : x
  2. Step 2: Convert to fraction form
    199,330.76/298,996.14 = 81,011.33/x
  3. Step 3: Cross multiply
    199,330.76x = 298,996.14 × 81,011.33
  4. Step 4: Simplify right side
    199,330.76x = 24,222,074,966.27
  5. Step 5: Solve for x
    x = 24,222,074,966.27/199,330.76
  6. Step 6: Final answer
    x = 121,517.00

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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.