Home / 191,811.70-287,717.55-173,149.30

Finding the Fourth Proportional to 191,811.70, 287,717.55 and 173,149.30

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Solution

The fourth proportional to 191,811.70, 287,717.55 and 173,149.30 is: 259,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,811.70 : 287,717.55 = 173,149.30 : x
  2. Step 2: Convert to fraction form
    191,811.70/287,717.55 = 173,149.30/x
  3. Step 3: Cross multiply
    191,811.70x = 287,717.55 × 173,149.30
  4. Step 4: Simplify right side
    191,811.70x = 49,818,092,380.22
  5. Step 5: Solve for x
    x = 49,818,092,380.22/191,811.70
  6. Step 6: Final answer
    x = 259,723.95

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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.