Home / 207,945.96-286,995.00-117,310.30

Finding the Fourth Proportional to 207,945.96, 286,995.00 and 117,310.30

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Solution

The fourth proportional to 207,945.96, 286,995.00 and 117,310.30 is: 161,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,945.96 : 286,995.00 = 117,310.30 : x
  2. Step 2: Convert to fraction form
    207,945.96/286,995.00 = 117,310.30/x
  3. Step 3: Cross multiply
    207,945.96x = 286,995.00 × 117,310.30
  4. Step 4: Simplify right side
    207,945.96x = 33,667,469,418.23
  5. Step 5: Solve for x
    x = 33,667,469,418.23/207,945.96
  6. Step 6: Final answer
    x = 161,904.90

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1.5x scale

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.