Home / 204,097.20-306,145.80-119,897.70

Finding the Fourth Proportional to 204,097.20, 306,145.80 and 119,897.70

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Solution

The fourth proportional to 204,097.20, 306,145.80 and 119,897.70 is: 179,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,097.20 : 306,145.80 = 119,897.70 : x
  2. Step 2: Convert to fraction form
    204,097.20/306,145.80 = 119,897.70/x
  3. Step 3: Cross multiply
    204,097.20x = 306,145.80 × 119,897.70
  4. Step 4: Simplify right side
    204,097.20x = 36,706,177,284.66
  5. Step 5: Solve for x
    x = 36,706,177,284.66/204,097.20
  6. Step 6: Final answer
    x = 179,846.55

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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.