Home / 207,620.41-286,497.39-116,991.13

Finding the Fourth Proportional to 207,620.41, 286,497.39 and 116,991.13

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Solution

The fourth proportional to 207,620.41, 286,497.39 and 116,991.13 is: 161,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,620.41 : 286,497.39 = 116,991.13 : x
  2. Step 2: Convert to fraction form
    207,620.41/286,497.39 = 116,991.13/x
  3. Step 3: Cross multiply
    207,620.41x = 286,497.39 × 116,991.13
  4. Step 4: Simplify right side
    207,620.41x = 33,517,652,813.20
  5. Step 5: Solve for x
    x = 33,517,652,813.20/207,620.41
  6. Step 6: Final answer
    x = 161,437.18

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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.