Home / 191,231.77-263,900.11-106,348.83

Finding the Fourth Proportional to 191,231.77, 263,900.11 and 106,348.83

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Solution

The fourth proportional to 191,231.77, 263,900.11 and 106,348.83 is: 146,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,231.77 : 263,900.11 = 106,348.83 : x
  2. Step 2: Convert to fraction form
    191,231.77/263,900.11 = 106,348.83/x
  3. Step 3: Cross multiply
    191,231.77x = 263,900.11 × 106,348.83
  4. Step 4: Simplify right side
    191,231.77x = 28,065,468,363.72
  5. Step 5: Solve for x
    x = 28,065,468,363.72/191,231.77
  6. Step 6: Final answer
    x = 146,761.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.