Home / 129,783.36-194,696.46-39,823.85

Finding the Fourth Proportional to 129,783.36, 194,696.46 and 39,823.85

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Solution

The fourth proportional to 129,783.36, 194,696.46 and 39,823.85 is: 59,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,783.36 : 194,696.46 = 39,823.85 : x
  2. Step 2: Convert to fraction form
    129,783.36/194,696.46 = 39,823.85/x
  3. Step 3: Cross multiply
    129,783.36x = 194,696.46 × 39,823.85
  4. Step 4: Simplify right side
    129,783.36x = 7,753,563,105.31
  5. Step 5: Solve for x
    x = 7,753,563,105.31/129,783.36
  6. Step 6: Final answer
    x = 59,742.35

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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.