Home / 131,581.36-197,391.48-38,074.96

Finding the Fourth Proportional to 131,581.36, 197,391.48 and 38,074.96

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Solution

The fourth proportional to 131,581.36, 197,391.48 and 38,074.96 is: 57,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,581.36 : 197,391.48 = 38,074.96 : x
  2. Step 2: Convert to fraction form
    131,581.36/197,391.48 = 38,074.96/x
  3. Step 3: Cross multiply
    131,581.36x = 197,391.48 × 38,074.96
  4. Step 4: Simplify right side
    131,581.36x = 7,515,672,705.34
  5. Step 5: Solve for x
    x = 7,515,672,705.34/131,581.36
  6. Step 6: Final answer
    x = 57,118.07

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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.