Home / 114,198.10-171,296.20-89,259.11

Finding the Fourth Proportional to 114,198.10, 171,296.20 and 89,259.11

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Solution

The fourth proportional to 114,198.10, 171,296.20 and 89,259.11 is: 133,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,198.10 : 171,296.20 = 89,259.11 : x
  2. Step 2: Convert to fraction form
    114,198.10/171,296.20 = 89,259.11/x
  3. Step 3: Cross multiply
    114,198.10x = 171,296.20 × 89,259.11
  4. Step 4: Simplify right side
    114,198.10x = 15,289,746,358.38
  5. Step 5: Solve for x
    x = 15,289,746,358.38/114,198.10
  6. Step 6: Final answer
    x = 133,887.92

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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.