Home / 141,180.28-194,919.96-87,522.64

Finding the Fourth Proportional to 141,180.28, 194,919.96 and 87,522.64

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Solution

The fourth proportional to 141,180.28, 194,919.96 and 87,522.64 is: 120,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,180.28 : 194,919.96 = 87,522.64 : x
  2. Step 2: Convert to fraction form
    141,180.28/194,919.96 = 87,522.64/x
  3. Step 3: Cross multiply
    141,180.28x = 194,919.96 × 87,522.64
  4. Step 4: Simplify right side
    141,180.28x = 17,059,909,487.89
  5. Step 5: Solve for x
    x = 17,059,909,487.89/141,180.28
  6. Step 6: Final answer
    x = 120,837.76

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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.