Home / 131,453.70-197,249.40-60,397.80

Finding the Fourth Proportional to 131,453.70, 197,249.40 and 60,397.80

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Solution

The fourth proportional to 131,453.70, 197,249.40 and 60,397.80 is: 90,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,453.70 : 197,249.40 = 60,397.80 : x
  2. Step 2: Convert to fraction form
    131,453.70/197,249.40 = 60,397.80/x
  3. Step 3: Cross multiply
    131,453.70x = 197,249.40 × 60,397.80
  4. Step 4: Simplify right side
    131,453.70x = 11,913,429,811.32
  5. Step 5: Solve for x
    x = 11,913,429,811.32/131,453.70
  6. Step 6: Final answer
    x = 90,628.33

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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.