Home / 199,025.40-298,538.10-136,039.80

Finding the Fourth Proportional to 199,025.40, 298,538.10 and 136,039.80

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Solution

The fourth proportional to 199,025.40, 298,538.10 and 136,039.80 is: 204,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,025.40 : 298,538.10 = 136,039.80 : x
  2. Step 2: Convert to fraction form
    199,025.40/298,538.10 = 136,039.80/x
  3. Step 3: Cross multiply
    199,025.40x = 298,538.10 × 136,039.80
  4. Step 4: Simplify right side
    199,025.40x = 40,613,063,416.38
  5. Step 5: Solve for x
    x = 40,613,063,416.38/199,025.40
  6. Step 6: Final answer
    x = 204,059.70

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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.