Home / 199,972.92-298,195.62-198,172.74

Finding the Fourth Proportional to 199,972.92, 298,195.62 and 198,172.74

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Solution

The fourth proportional to 199,972.92, 298,195.62 and 198,172.74 is: 295,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,972.92 : 298,195.62 = 198,172.74 : x
  2. Step 2: Convert to fraction form
    199,972.92/298,195.62 = 198,172.74/x
  3. Step 3: Cross multiply
    199,972.92x = 298,195.62 × 198,172.74
  4. Step 4: Simplify right side
    199,972.92x = 59,094,243,071.40
  5. Step 5: Solve for x
    x = 59,094,243,071.40/199,972.92
  6. Step 6: Final answer
    x = 295,511.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.