Home / 198,802.41-297,975.66-98,738.97

Finding the Fourth Proportional to 198,802.41, 297,975.66 and 98,738.97

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Solution

The fourth proportional to 198,802.41, 297,975.66 and 98,738.97 is: 147,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,802.41 : 297,975.66 = 98,738.97 : x
  2. Step 2: Convert to fraction form
    198,802.41/297,975.66 = 98,738.97/x
  3. Step 3: Cross multiply
    198,802.41x = 297,975.66 × 98,738.97
  4. Step 4: Simplify right side
    198,802.41x = 29,421,809,753.47
  5. Step 5: Solve for x
    x = 29,421,809,753.47/198,802.41
  6. Step 6: Final answer
    x = 147,995.24

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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.