Home / 136,073.89-204,113.64-49,516.79

Finding the Fourth Proportional to 136,073.89, 204,113.64 and 49,516.79

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Solution

The fourth proportional to 136,073.89, 204,113.64 and 49,516.79 is: 74,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,073.89 : 204,113.64 = 49,516.79 : x
  2. Step 2: Convert to fraction form
    136,073.89/204,113.64 = 49,516.79/x
  3. Step 3: Cross multiply
    136,073.89x = 204,113.64 × 49,516.79
  4. Step 4: Simplify right side
    136,073.89x = 10,107,052,000.43
  5. Step 5: Solve for x
    x = 10,107,052,000.43/136,073.89
  6. Step 6: Final answer
    x = 74,276.21

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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.