Home / 122,181.23-183,226.88-42,198.84

Finding the Fourth Proportional to 122,181.23, 183,226.88 and 42,198.84

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Solution

The fourth proportional to 122,181.23, 183,226.88 and 42,198.84 is: 63,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,181.23 : 183,226.88 = 42,198.84 : x
  2. Step 2: Convert to fraction form
    122,181.23/183,226.88 = 42,198.84/x
  3. Step 3: Cross multiply
    122,181.23x = 183,226.88 × 42,198.84
  4. Step 4: Simplify right side
    122,181.23x = 7,731,961,581.83
  5. Step 5: Solve for x
    x = 7,731,961,581.83/122,181.23
  6. Step 6: Final answer
    x = 63,282.73

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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.