Home / 149,799.06-206,585.80-117,097.80

Finding the Fourth Proportional to 149,799.06, 206,585.80 and 117,097.80

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Solution

The fourth proportional to 149,799.06, 206,585.80 and 117,097.80 is: 161,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,799.06 : 206,585.80 = 117,097.80 : x
  2. Step 2: Convert to fraction form
    149,799.06/206,585.80 = 117,097.80/x
  3. Step 3: Cross multiply
    149,799.06x = 206,585.80 × 117,097.80
  4. Step 4: Simplify right side
    149,799.06x = 24,190,741,916.54
  5. Step 5: Solve for x
    x = 24,190,741,916.54/149,799.06
  6. Step 6: Final answer
    x = 161,487.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.