Home / 193,276.26-290,000.70-74,956.86

Finding the Fourth Proportional to 193,276.26, 290,000.70 and 74,956.86

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Solution

The fourth proportional to 193,276.26, 290,000.70 and 74,956.86 is: 112,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,276.26 : 290,000.70 = 74,956.86 : x
  2. Step 2: Convert to fraction form
    193,276.26/290,000.70 = 74,956.86/x
  3. Step 3: Cross multiply
    193,276.26x = 290,000.70 × 74,956.86
  4. Step 4: Simplify right side
    193,276.26x = 21,737,541,869.80
  5. Step 5: Solve for x
    x = 21,737,541,869.80/193,276.26
  6. Step 6: Final answer
    x = 112,468.76

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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.