Home / 338,826.38-508,135.88-114,126.57

Finding the Fourth Proportional to 338,826.38, 508,135.88 and 114,126.57

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Solution

The fourth proportional to 338,826.38, 508,135.88 and 114,126.57 is: 171,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,826.38 : 508,135.88 = 114,126.57 : x
  2. Step 2: Convert to fraction form
    338,826.38/508,135.88 = 114,126.57/x
  3. Step 3: Cross multiply
    338,826.38x = 508,135.88 × 114,126.57
  4. Step 4: Simplify right side
    338,826.38x = 57,991,805,363.65
  5. Step 5: Solve for x
    x = 57,991,805,363.65/338,826.38
  6. Step 6: Final answer
    x = 171,154.93

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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.