Home / 191,729.45-287,493.44-85,067.19

Finding the Fourth Proportional to 191,729.45, 287,493.44 and 85,067.19

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Solution

The fourth proportional to 191,729.45, 287,493.44 and 85,067.19 is: 127,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,729.45 : 287,493.44 = 85,067.19 : x
  2. Step 2: Convert to fraction form
    191,729.45/287,493.44 = 85,067.19/x
  3. Step 3: Cross multiply
    191,729.45x = 287,493.44 × 85,067.19
  4. Step 4: Simplify right side
    191,729.45x = 24,456,258,658.90
  5. Step 5: Solve for x
    x = 24,456,258,658.90/191,729.45
  6. Step 6: Final answer
    x = 127,556.09

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1.5x scale

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.