Home / 191,556.24-287,333.82-86,251.92

Finding the Fourth Proportional to 191,556.24, 287,333.82 and 86,251.92

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Solution

The fourth proportional to 191,556.24, 287,333.82 and 86,251.92 is: 129,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,556.24 : 287,333.82 = 86,251.92 : x
  2. Step 2: Convert to fraction form
    191,556.24/287,333.82 = 86,251.92/x
  3. Step 3: Cross multiply
    191,556.24x = 287,333.82 × 86,251.92
  4. Step 4: Simplify right side
    191,556.24x = 24,783,093,655.93
  5. Step 5: Solve for x
    x = 24,783,093,655.93/191,556.24
  6. Step 6: Final answer
    x = 129,377.64

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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.