Home / 129,515.52-194,276.94-36,021.27

Finding the Fourth Proportional to 129,515.52, 194,276.94 and 36,021.27

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Solution

The fourth proportional to 129,515.52, 194,276.94 and 36,021.27 is: 54,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,515.52 : 194,276.94 = 36,021.27 : x
  2. Step 2: Convert to fraction form
    129,515.52/194,276.94 = 36,021.27/x
  3. Step 3: Cross multiply
    129,515.52x = 194,276.94 × 36,021.27
  4. Step 4: Simplify right side
    129,515.52x = 6,998,102,110.51
  5. Step 5: Solve for x
    x = 6,998,102,110.51/129,515.52
  6. Step 6: Final answer
    x = 54,032.92

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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.