Home / 131,119.10-196,663.53-36,356.30

Finding the Fourth Proportional to 131,119.10, 196,663.53 and 36,356.30

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Solution

The fourth proportional to 131,119.10, 196,663.53 and 36,356.30 is: 54,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,119.10 : 196,663.53 = 36,356.30 : x
  2. Step 2: Convert to fraction form
    131,119.10/196,663.53 = 36,356.30/x
  3. Step 3: Cross multiply
    131,119.10x = 196,663.53 × 36,356.30
  4. Step 4: Simplify right side
    131,119.10x = 7,149,958,295.74
  5. Step 5: Solve for x
    x = 7,149,958,295.74/131,119.10
  6. Step 6: Final answer
    x = 54,530.26

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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.