Home / 131,359.86-197,067.48-42,606.46

Finding the Fourth Proportional to 131,359.86, 197,067.48 and 42,606.46

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Solution

The fourth proportional to 131,359.86, 197,067.48 and 42,606.46 is: 63,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,359.86 : 197,067.48 = 42,606.46 : x
  2. Step 2: Convert to fraction form
    131,359.86/197,067.48 = 42,606.46/x
  3. Step 3: Cross multiply
    131,359.86x = 197,067.48 × 42,606.46
  4. Step 4: Simplify right side
    131,359.86x = 8,396,347,703.92
  5. Step 5: Solve for x
    x = 8,396,347,703.92/131,359.86
  6. Step 6: Final answer
    x = 63,918.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.