Home / 191,081.88-263,690.37-106,197.12

Finding the Fourth Proportional to 191,081.88, 263,690.37 and 106,197.12

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Solution

The fourth proportional to 191,081.88, 263,690.37 and 106,197.12 is: 146,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,081.88 : 263,690.37 = 106,197.12 : x
  2. Step 2: Convert to fraction form
    191,081.88/263,690.37 = 106,197.12/x
  3. Step 3: Cross multiply
    191,081.88x = 263,690.37 × 106,197.12
  4. Step 4: Simplify right side
    191,081.88x = 28,003,157,865.73
  5. Step 5: Solve for x
    x = 28,003,157,865.73/191,081.88
  6. Step 6: Final answer
    x = 146,550.57

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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.