Home / 129,408.77-194,113.16-59,288.09

Finding the Fourth Proportional to 129,408.77, 194,113.16 and 59,288.09

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Solution

The fourth proportional to 129,408.77, 194,113.16 and 59,288.09 is: 88,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,408.77 : 194,113.16 = 59,288.09 : x
  2. Step 2: Convert to fraction form
    129,408.77/194,113.16 = 59,288.09/x
  3. Step 3: Cross multiply
    129,408.77x = 194,113.16 × 59,288.09
  4. Step 4: Simplify right side
    129,408.77x = 11,508,597,455.59
  5. Step 5: Solve for x
    x = 11,508,597,455.59/129,408.77
  6. Step 6: Final answer
    x = 88,932.13

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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.