Home / 129,653.52-194,532.12-55,833.36

Finding the Fourth Proportional to 129,653.52, 194,532.12 and 55,833.36

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Solution

The fourth proportional to 129,653.52, 194,532.12 and 55,833.36 is: 83,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653.52 : 194,532.12 = 55,833.36 : x
  2. Step 2: Convert to fraction form
    129,653.52/194,532.12 = 55,833.36/x
  3. Step 3: Cross multiply
    129,653.52x = 194,532.12 × 55,833.36
  4. Step 4: Simplify right side
    129,653.52x = 10,861,381,887.52
  5. Step 5: Solve for x
    x = 10,861,381,887.52/129,653.52
  6. Step 6: Final answer
    x = 83,772.36

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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.