Home / 641,373.76-961,789.94-192,158.47

Finding the Fourth Proportional to 641,373.76, 961,789.94 and 192,158.47

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Solution

The fourth proportional to 641,373.76, 961,789.94 and 192,158.47 is: 288,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,373.76 : 961,789.94 = 192,158.47 : x
  2. Step 2: Convert to fraction form
    641,373.76/961,789.94 = 192,158.47/x
  3. Step 3: Cross multiply
    641,373.76x = 961,789.94 × 192,158.47
  4. Step 4: Simplify right side
    641,373.76x = 184,816,077,562.05
  5. Step 5: Solve for x
    x = 184,816,077,562.05/641,373.76
  6. Step 6: Final answer
    x = 288,156.60

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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.