Home / 191,086.66-263,697.69-106,201.90

Finding the Fourth Proportional to 191,086.66, 263,697.69 and 106,201.90

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Solution

The fourth proportional to 191,086.66, 263,697.69 and 106,201.90 is: 146,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,086.66 : 263,697.69 = 106,201.90 : x
  2. Step 2: Convert to fraction form
    191,086.66/263,697.69 = 106,201.90/x
  3. Step 3: Cross multiply
    191,086.66x = 263,697.69 × 106,201.90
  4. Step 4: Simplify right side
    191,086.66x = 28,005,195,703.61
  5. Step 5: Solve for x
    x = 28,005,195,703.61/191,086.66
  6. Step 6: Final answer
    x = 146,557.57

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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.