Home / 141,175.53-194,913.41-87,517.89

Finding the Fourth Proportional to 141,175.53, 194,913.41 and 87,517.89

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Solution

The fourth proportional to 141,175.53, 194,913.41 and 87,517.89 is: 120,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,175.53 : 194,913.41 = 87,517.89 : x
  2. Step 2: Convert to fraction form
    141,175.53/194,913.41 = 87,517.89/x
  3. Step 3: Cross multiply
    141,175.53x = 194,913.41 × 87,517.89
  4. Step 4: Simplify right side
    141,175.53x = 17,058,409,938.32
  5. Step 5: Solve for x
    x = 17,058,409,938.32/141,175.53
  6. Step 6: Final answer
    x = 120,831.21

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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.