Home / 141,361.91-195,080.75-76,831.32

Finding the Fourth Proportional to 141,361.91, 195,080.75 and 76,831.32

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Solution

The fourth proportional to 141,361.91, 195,080.75 and 76,831.32 is: 106,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.91 : 195,080.75 = 76,831.32 : x
  2. Step 2: Convert to fraction form
    141,361.91/195,080.75 = 76,831.32/x
  3. Step 3: Cross multiply
    141,361.91x = 195,080.75 × 76,831.32
  4. Step 4: Simplify right side
    141,361.91x = 14,988,311,529.09
  5. Step 5: Solve for x
    x = 14,988,311,529.09/141,361.91
  6. Step 6: Final answer
    x = 106,027.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.