Home / 133,088.20-199,340.70-115,592.20

Finding the Fourth Proportional to 133,088.20, 199,340.70 and 115,592.20

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Solution

The fourth proportional to 133,088.20, 199,340.70 and 115,592.20 is: 173,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,088.20 : 199,340.70 = 115,592.20 : x
  2. Step 2: Convert to fraction form
    133,088.20/199,340.70 = 115,592.20/x
  3. Step 3: Cross multiply
    133,088.20x = 199,340.70 × 115,592.20
  4. Step 4: Simplify right side
    133,088.20x = 23,042,230,062.54
  5. Step 5: Solve for x
    x = 23,042,230,062.54/133,088.20
  6. Step 6: Final answer
    x = 173,135.03

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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.