Home / 415,837.27-623,832.86-131,599.36

Finding the Fourth Proportional to 415,837.27, 623,832.86 and 131,599.36

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Solution

The fourth proportional to 415,837.27, 623,832.86 and 131,599.36 is: 197,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,837.27 : 623,832.86 = 131,599.36 : x
  2. Step 2: Convert to fraction form
    415,837.27/623,832.86 = 131,599.36/x
  3. Step 3: Cross multiply
    415,837.27x = 623,832.86 × 131,599.36
  4. Step 4: Simplify right side
    415,837.27x = 82,096,005,122.97
  5. Step 5: Solve for x
    x = 82,096,005,122.97/415,837.27
  6. Step 6: Final answer
    x = 197,423.39

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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.