Home / 191,299.96-263,996.15-109,626.59

Finding the Fourth Proportional to 191,299.96, 263,996.15 and 109,626.59

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Solution

The fourth proportional to 191,299.96, 263,996.15 and 109,626.59 is: 151,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,299.96 : 263,996.15 = 109,626.59 : x
  2. Step 2: Convert to fraction form
    191,299.96/263,996.15 = 109,626.59/x
  3. Step 3: Cross multiply
    191,299.96x = 263,996.15 × 109,626.59
  4. Step 4: Simplify right side
    191,299.96x = 28,940,997,809.49
  5. Step 5: Solve for x
    x = 28,940,997,809.49/191,299.96
  6. Step 6: Final answer
    x = 151,285.96

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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.