Home / 207,993.24-287,006.40-117,350.64

Finding the Fourth Proportional to 207,993.24, 287,006.40 and 117,350.64

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Solution

The fourth proportional to 207,993.24, 287,006.40 and 117,350.64 is: 161,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,993.24 : 287,006.40 = 117,350.64 : x
  2. Step 2: Convert to fraction form
    207,993.24/287,006.40 = 117,350.64/x
  3. Step 3: Cross multiply
    207,993.24x = 287,006.40 × 117,350.64
  4. Step 4: Simplify right side
    207,993.24x = 33,680,384,724.10
  5. Step 5: Solve for x
    x = 33,680,384,724.10/207,993.24
  6. Step 6: Final answer
    x = 161,930.19

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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.