Home / 135,974.50-203,961.85-51,715.26

Finding the Fourth Proportional to 135,974.50, 203,961.85 and 51,715.26

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Solution

The fourth proportional to 135,974.50, 203,961.85 and 51,715.26 is: 77,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,974.50 : 203,961.85 = 51,715.26 : x
  2. Step 2: Convert to fraction form
    135,974.50/203,961.85 = 51,715.26/x
  3. Step 3: Cross multiply
    135,974.50x = 203,961.85 × 51,715.26
  4. Step 4: Simplify right side
    135,974.50x = 10,547,939,973.54
  5. Step 5: Solve for x
    x = 10,547,939,973.54/135,974.50
  6. Step 6: Final answer
    x = 77,572.93

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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.