Home / 136,518.05-204,869.34-47,772.33

Finding the Fourth Proportional to 136,518.05, 204,869.34 and 47,772.33

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Solution

The fourth proportional to 136,518.05, 204,869.34 and 47,772.33 is: 71,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,518.05 : 204,869.34 = 47,772.33 : x
  2. Step 2: Convert to fraction form
    136,518.05/204,869.34 = 47,772.33/x
  3. Step 3: Cross multiply
    136,518.05x = 204,869.34 × 47,772.33
  4. Step 4: Simplify right side
    136,518.05x = 9,787,085,128.25
  5. Step 5: Solve for x
    x = 9,787,085,128.25/136,518.05
  6. Step 6: Final answer
    x = 71,690.78

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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.