Home / 156,936.70-235,401.39-38,609.08

Finding the Fourth Proportional to 156,936.70, 235,401.39 and 38,609.08

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Solution

The fourth proportional to 156,936.70, 235,401.39 and 38,609.08 is: 57,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,936.70 : 235,401.39 = 38,609.08 : x
  2. Step 2: Convert to fraction form
    156,936.70/235,401.39 = 38,609.08/x
  3. Step 3: Cross multiply
    156,936.70x = 235,401.39 × 38,609.08
  4. Step 4: Simplify right side
    156,936.70x = 9,088,631,098.62
  5. Step 5: Solve for x
    x = 9,088,631,098.62/156,936.70
  6. Step 6: Final answer
    x = 57,912.72

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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.