Home / 129,410.28-194,115.41-59,289.59

Finding the Fourth Proportional to 129,410.28, 194,115.41 and 59,289.59

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Solution

The fourth proportional to 129,410.28, 194,115.41 and 59,289.59 is: 88,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,410.28 : 194,115.41 = 59,289.59 : x
  2. Step 2: Convert to fraction form
    129,410.28/194,115.41 = 59,289.59/x
  3. Step 3: Cross multiply
    129,410.28x = 194,115.41 × 59,289.59
  4. Step 4: Simplify right side
    129,410.28x = 11,509,021,804.56
  5. Step 5: Solve for x
    x = 11,509,021,804.56/129,410.28
  6. Step 6: Final answer
    x = 88,934.37

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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.