Home / 198,624.11-297,537.26-91,858.41

Finding the Fourth Proportional to 198,624.11, 297,537.26 and 91,858.41

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Solution

The fourth proportional to 198,624.11, 297,537.26 and 91,858.41 is: 137,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,624.11 : 297,537.26 = 91,858.41 : x
  2. Step 2: Convert to fraction form
    198,624.11/297,537.26 = 91,858.41/x
  3. Step 3: Cross multiply
    198,624.11x = 297,537.26 × 91,858.41
  4. Step 4: Simplify right side
    198,624.11x = 27,331,299,160.06
  5. Step 5: Solve for x
    x = 27,331,299,160.06/198,624.11
  6. Step 6: Final answer
    x = 137,603.13

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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.