Home / 191,007.66-263,588.67-106,122.90

Finding the Fourth Proportional to 191,007.66, 263,588.67 and 106,122.90

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Solution

The fourth proportional to 191,007.66, 263,588.67 and 106,122.90 is: 146,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,007.66 : 263,588.67 = 106,122.90 : x
  2. Step 2: Convert to fraction form
    191,007.66/263,588.67 = 106,122.90/x
  3. Step 3: Cross multiply
    191,007.66x = 263,588.67 × 106,122.90
  4. Step 4: Simplify right side
    191,007.66x = 27,972,794,067.54
  5. Step 5: Solve for x
    x = 27,972,794,067.54/191,007.66
  6. Step 6: Final answer
    x = 146,448.55

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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.