Home / 131,101.10-196,651.65-36,331.10

Finding the Fourth Proportional to 131,101.10, 196,651.65 and 36,331.10

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Solution

The fourth proportional to 131,101.10, 196,651.65 and 36,331.10 is: 54,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,101.10 : 196,651.65 = 36,331.10 : x
  2. Step 2: Convert to fraction form
    131,101.10/196,651.65 = 36,331.10/x
  3. Step 3: Cross multiply
    131,101.10x = 196,651.65 × 36,331.10
  4. Step 4: Simplify right side
    131,101.10x = 7,144,570,761.32
  5. Step 5: Solve for x
    x = 7,144,570,761.32/131,101.10
  6. Step 6: Final answer
    x = 54,496.65

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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.