Home / 133,583.66-200,300.42-91,511.18

Finding the Fourth Proportional to 133,583.66, 200,300.42 and 91,511.18

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Solution

The fourth proportional to 133,583.66, 200,300.42 and 91,511.18 is: 137,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,583.66 : 200,300.42 = 91,511.18 : x
  2. Step 2: Convert to fraction form
    133,583.66/200,300.42 = 91,511.18/x
  3. Step 3: Cross multiply
    133,583.66x = 200,300.42 × 91,511.18
  4. Step 4: Simplify right side
    133,583.66x = 18,329,727,015.97
  5. Step 5: Solve for x
    x = 18,329,727,015.97/133,583.66
  6. Step 6: Final answer
    x = 137,215.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.