Home / 191,132.59-263,778.92-106,257.55

Finding the Fourth Proportional to 191,132.59, 263,778.92 and 106,257.55

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Solution

The fourth proportional to 191,132.59, 263,778.92 and 106,257.55 is: 146,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,132.59 : 263,778.92 = 106,257.55 : x
  2. Step 2: Convert to fraction form
    191,132.59/263,778.92 = 106,257.55/x
  3. Step 3: Cross multiply
    191,132.59x = 263,778.92 × 106,257.55
  4. Step 4: Simplify right side
    191,132.59x = 28,028,501,780.85
  5. Step 5: Solve for x
    x = 28,028,501,780.85/191,132.59
  6. Step 6: Final answer
    x = 146,644.28

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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.