Home / 136,299.16-188,098.37-75,865.97

Finding the Fourth Proportional to 136,299.16, 188,098.37 and 75,865.97

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Solution

The fourth proportional to 136,299.16, 188,098.37 and 75,865.97 is: 104,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,299.16 : 188,098.37 = 75,865.97 : x
  2. Step 2: Convert to fraction form
    136,299.16/188,098.37 = 75,865.97/x
  3. Step 3: Cross multiply
    136,299.16x = 188,098.37 × 75,865.97
  4. Step 4: Simplify right side
    136,299.16x = 14,270,265,670.88
  5. Step 5: Solve for x
    x = 14,270,265,670.88/136,299.16
  6. Step 6: Final answer
    x = 104,698.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.