Home / 207,899.76-286,975.44-123,016.64

Finding the Fourth Proportional to 207,899.76, 286,975.44 and 123,016.64

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Solution

The fourth proportional to 207,899.76, 286,975.44 and 123,016.64 is: 169,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,899.76 : 286,975.44 = 123,016.64 : x
  2. Step 2: Convert to fraction form
    207,899.76/286,975.44 = 123,016.64/x
  3. Step 3: Cross multiply
    207,899.76x = 286,975.44 × 123,016.64
  4. Step 4: Simplify right side
    207,899.76x = 35,302,754,391.32
  5. Step 5: Solve for x
    x = 35,302,754,391.32/207,899.76
  6. Step 6: Final answer
    x = 169,806.61

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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.