Home / 129,505.08-194,043.78-59,229.48

Finding the Fourth Proportional to 129,505.08, 194,043.78 and 59,229.48

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Solution

The fourth proportional to 129,505.08, 194,043.78 and 59,229.48 is: 88,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,505.08 : 194,043.78 = 59,229.48 : x
  2. Step 2: Convert to fraction form
    129,505.08/194,043.78 = 59,229.48/x
  3. Step 3: Cross multiply
    129,505.08x = 194,043.78 × 59,229.48
  4. Step 4: Simplify right side
    129,505.08x = 11,493,112,186.63
  5. Step 5: Solve for x
    x = 11,493,112,186.63/129,505.08
  6. Step 6: Final answer
    x = 88,746.42

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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.