Home / 131,112.80-196,667.92-37,619.04

Finding the Fourth Proportional to 131,112.80, 196,667.92 and 37,619.04

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Solution

The fourth proportional to 131,112.80, 196,667.92 and 37,619.04 is: 56,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112.80 : 196,667.92 = 37,619.04 : x
  2. Step 2: Convert to fraction form
    131,112.80/196,667.92 = 37,619.04/x
  3. Step 3: Cross multiply
    131,112.80x = 196,667.92 × 37,619.04
  4. Step 4: Simplify right side
    131,112.80x = 7,398,458,349.20
  5. Step 5: Solve for x
    x = 7,398,458,349.20/131,112.80
  6. Step 6: Final answer
    x = 56,428.19

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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.