Home / 136,677.10-204,918.45-52,404.70

Finding the Fourth Proportional to 136,677.10, 204,918.45 and 52,404.70

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Solution

The fourth proportional to 136,677.10, 204,918.45 and 52,404.70 is: 78,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,677.10 : 204,918.45 = 52,404.70 : x
  2. Step 2: Convert to fraction form
    136,677.10/204,918.45 = 52,404.70/x
  3. Step 3: Cross multiply
    136,677.10x = 204,918.45 × 52,404.70
  4. Step 4: Simplify right side
    136,677.10x = 10,738,689,896.72
  5. Step 5: Solve for x
    x = 10,738,689,896.72/136,677.10
  6. Step 6: Final answer
    x = 78,569.78

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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.