Home / 131,337.94-196,987.32-36,558.22

Finding the Fourth Proportional to 131,337.94, 196,987.32 and 36,558.22

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Solution

The fourth proportional to 131,337.94, 196,987.32 and 36,558.22 is: 54,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,337.94 : 196,987.32 = 36,558.22 : x
  2. Step 2: Convert to fraction form
    131,337.94/196,987.32 = 36,558.22/x
  3. Step 3: Cross multiply
    131,337.94x = 196,987.32 × 36,558.22
  4. Step 4: Simplify right side
    131,337.94x = 7,201,505,781.77
  5. Step 5: Solve for x
    x = 7,201,505,781.77/131,337.94
  6. Step 6: Final answer
    x = 54,831.88

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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.