Home / 199,131.27-298,574.28-97,800.45

Finding the Fourth Proportional to 199,131.27, 298,574.28 and 97,800.45

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Solution

The fourth proportional to 199,131.27, 298,574.28 and 97,800.45 is: 146,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,131.27 : 298,574.28 = 97,800.45 : x
  2. Step 2: Convert to fraction form
    199,131.27/298,574.28 = 97,800.45/x
  3. Step 3: Cross multiply
    199,131.27x = 298,574.28 × 97,800.45
  4. Step 4: Simplify right side
    199,131.27x = 29,200,698,942.43
  5. Step 5: Solve for x
    x = 29,200,698,942.43/199,131.27
  6. Step 6: Final answer
    x = 146,640.45

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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.