Home / 141,149.64-194,785.67-76,620.17

Finding the Fourth Proportional to 141,149.64, 194,785.67 and 76,620.17

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Solution

The fourth proportional to 141,149.64, 194,785.67 and 76,620.17 is: 105,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,149.64 : 194,785.67 = 76,620.17 : x
  2. Step 2: Convert to fraction form
    141,149.64/194,785.67 = 76,620.17/x
  3. Step 3: Cross multiply
    141,149.64x = 194,785.67 × 76,620.17
  4. Step 4: Simplify right side
    141,149.64x = 14,924,509,791.93
  5. Step 5: Solve for x
    x = 14,924,509,791.93/141,149.64
  6. Step 6: Final answer
    x = 105,735.37

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1.5x scale

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.