Home / 204,369.41-306,575.02-78,115.93

Finding the Fourth Proportional to 204,369.41, 306,575.02 and 78,115.93

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Solution

The fourth proportional to 204,369.41, 306,575.02 and 78,115.93 is: 117,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,369.41 : 306,575.02 = 78,115.93 : x
  2. Step 2: Convert to fraction form
    204,369.41/306,575.02 = 78,115.93/x
  3. Step 3: Cross multiply
    204,369.41x = 306,575.02 × 78,115.93
  4. Step 4: Simplify right side
    204,369.41x = 23,948,392,802.07
  5. Step 5: Solve for x
    x = 23,948,392,802.07/204,369.41
  6. Step 6: Final answer
    x = 117,181.89

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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.