Home / 384,511.19-576,848.52-131,723.87

Finding the Fourth Proportional to 384,511.19, 576,848.52 and 131,723.87

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Solution

The fourth proportional to 384,511.19, 576,848.52 and 131,723.87 is: 197,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,511.19 : 576,848.52 = 131,723.87 : x
  2. Step 2: Convert to fraction form
    384,511.19/576,848.52 = 131,723.87/x
  3. Step 3: Cross multiply
    384,511.19x = 576,848.52 × 131,723.87
  4. Step 4: Simplify right side
    384,511.19x = 75,984,716,573.93
  5. Step 5: Solve for x
    x = 75,984,716,573.93/384,511.19
  6. Step 6: Final answer
    x = 197,613.80

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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.