Home / 129,439.47-194,167.58-40,696.41

Finding the Fourth Proportional to 129,439.47, 194,167.58 and 40,696.41

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Solution

The fourth proportional to 129,439.47, 194,167.58 and 40,696.41 is: 61,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,439.47 : 194,167.58 = 40,696.41 : x
  2. Step 2: Convert to fraction form
    129,439.47/194,167.58 = 40,696.41/x
  3. Step 3: Cross multiply
    129,439.47x = 194,167.58 × 40,696.41
  4. Step 4: Simplify right side
    129,439.47x = 7,901,923,444.39
  5. Step 5: Solve for x
    x = 7,901,923,444.39/129,439.47
  6. Step 6: Final answer
    x = 61,047.25

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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.