Home / 122,329.92-183,235.68-92,418.24

Finding the Fourth Proportional to 122,329.92, 183,235.68 and 92,418.24

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Solution

The fourth proportional to 122,329.92, 183,235.68 and 92,418.24 is: 138,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,329.92 : 183,235.68 = 92,418.24 : x
  2. Step 2: Convert to fraction form
    122,329.92/183,235.68 = 92,418.24/x
  3. Step 3: Cross multiply
    122,329.92x = 183,235.68 × 92,418.24
  4. Step 4: Simplify right side
    122,329.92x = 16,934,319,050.80
  5. Step 5: Solve for x
    x = 16,934,319,050.80/122,329.92
  6. Step 6: Final answer
    x = 138,431.54

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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.