Home / 194,488.54-268,390.47-109,603.90

Finding the Fourth Proportional to 194,488.54, 268,390.47 and 109,603.90

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Solution

The fourth proportional to 194,488.54, 268,390.47 and 109,603.90 is: 151,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,488.54 : 268,390.47 = 109,603.90 : x
  2. Step 2: Convert to fraction form
    194,488.54/268,390.47 = 109,603.90/x
  3. Step 3: Cross multiply
    194,488.54x = 268,390.47 × 109,603.90
  4. Step 4: Simplify right side
    194,488.54x = 29,416,642,234.83
  5. Step 5: Solve for x
    x = 29,416,642,234.83/194,488.54
  6. Step 6: Final answer
    x = 151,251.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.