Home / 129,974.42-194,968.54-41,235.02

Finding the Fourth Proportional to 129,974.42, 194,968.54 and 41,235.02

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Solution

The fourth proportional to 129,974.42, 194,968.54 and 41,235.02 is: 61,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,974.42 : 194,968.54 = 41,235.02 : x
  2. Step 2: Convert to fraction form
    129,974.42/194,968.54 = 41,235.02/x
  3. Step 3: Cross multiply
    129,974.42x = 194,968.54 × 41,235.02
  4. Step 4: Simplify right side
    129,974.42x = 8,039,531,646.27
  5. Step 5: Solve for x
    x = 8,039,531,646.27/129,974.42
  6. Step 6: Final answer
    x = 61,854.72

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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.