Home / 191,078.82-263,682.30-106,194.06

Finding the Fourth Proportional to 191,078.82, 263,682.30 and 106,194.06

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Solution

The fourth proportional to 191,078.82, 263,682.30 and 106,194.06 is: 146,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,078.82 : 263,682.30 = 106,194.06 : x
  2. Step 2: Convert to fraction form
    191,078.82/263,682.30 = 106,194.06/x
  3. Step 3: Cross multiply
    191,078.82x = 263,682.30 × 106,194.06
  4. Step 4: Simplify right side
    191,078.82x = 28,001,493,987.14
  5. Step 5: Solve for x
    x = 28,001,493,987.14/191,078.82
  6. Step 6: Final answer
    x = 146,544.21

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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.