Home / 191,086.16-263,697-106,201.40

Finding the Fourth Proportional to 191,086.16, 263,697 and 106,201.40

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Solution

The fourth proportional to 191,086.16, 263,697 and 106,201.40 is: 146,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,086.16 : 263,697 = 106,201.40 : x
  2. Step 2: Convert to fraction form
    191,086.16/263,697 = 106,201.40/x
  3. Step 3: Cross multiply
    191,086.16x = 263,697 × 106,201.40
  4. Step 4: Simplify right side
    191,086.16x = 28,004,990,575.80
  5. Step 5: Solve for x
    x = 28,004,990,575.80/191,086.16
  6. Step 6: Final answer
    x = 146,556.88

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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.