Home / 198,619.10-297,529.75-91,853.41

Finding the Fourth Proportional to 198,619.10, 297,529.75 and 91,853.41

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Solution

The fourth proportional to 198,619.10, 297,529.75 and 91,853.41 is: 137,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,619.10 : 297,529.75 = 91,853.41 : x
  2. Step 2: Convert to fraction form
    198,619.10/297,529.75 = 91,853.41/x
  3. Step 3: Cross multiply
    198,619.10x = 297,529.75 × 91,853.41
  4. Step 4: Simplify right side
    198,619.10x = 27,329,120,167.03
  5. Step 5: Solve for x
    x = 27,329,120,167.03/198,619.10
  6. Step 6: Final answer
    x = 137,595.63

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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.