Home / 191,015.58-263,596.74-106,132.86

Finding the Fourth Proportional to 191,015.58, 263,596.74 and 106,132.86

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Solution

The fourth proportional to 191,015.58, 263,596.74 and 106,132.86 is: 146,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,015.58 : 263,596.74 = 106,132.86 : x
  2. Step 2: Convert to fraction form
    191,015.58/263,596.74 = 106,132.86/x
  3. Step 3: Cross multiply
    191,015.58x = 263,596.74 × 106,132.86
  4. Step 4: Simplify right side
    191,015.58x = 27,976,275,902.88
  5. Step 5: Solve for x
    x = 27,976,275,902.88/191,015.58
  6. Step 6: Final answer
    x = 146,460.70

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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.