Home / 129,741.36-194,541.39-58,580.61

Finding the Fourth Proportional to 129,741.36, 194,541.39 and 58,580.61

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Solution

The fourth proportional to 129,741.36, 194,541.39 and 58,580.61 is: 87,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,741.36 : 194,541.39 = 58,580.61 : x
  2. Step 2: Convert to fraction form
    129,741.36/194,541.39 = 58,580.61/x
  3. Step 3: Cross multiply
    129,741.36x = 194,541.39 × 58,580.61
  4. Step 4: Simplify right side
    129,741.36x = 11,396,353,296.45
  5. Step 5: Solve for x
    x = 11,396,353,296.45/129,741.36
  6. Step 6: Final answer
    x = 87,839.02

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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.