Home / 136,162.62-204,435.29-69,650.48

Finding the Fourth Proportional to 136,162.62, 204,435.29 and 69,650.48

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Solution

The fourth proportional to 136,162.62, 204,435.29 and 69,650.48 is: 104,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,162.62 : 204,435.29 = 69,650.48 : x
  2. Step 2: Convert to fraction form
    136,162.62/204,435.29 = 69,650.48/x
  3. Step 3: Cross multiply
    136,162.62x = 204,435.29 × 69,650.48
  4. Step 4: Simplify right side
    136,162.62x = 14,239,016,762.65
  5. Step 5: Solve for x
    x = 14,239,016,762.65/136,162.62
  6. Step 6: Final answer
    x = 104,573.61

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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.