Home / 188,516.61-260,157.90-102,481.38

Finding the Fourth Proportional to 188,516.61, 260,157.90 and 102,481.38

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Solution

The fourth proportional to 188,516.61, 260,157.90 and 102,481.38 is: 141,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,516.61 : 260,157.90 = 102,481.38 : x
  2. Step 2: Convert to fraction form
    188,516.61/260,157.90 = 102,481.38/x
  3. Step 3: Cross multiply
    188,516.61x = 260,157.90 × 102,481.38
  4. Step 4: Simplify right side
    188,516.61x = 26,661,340,609.90
  5. Step 5: Solve for x
    x = 26,661,340,609.90/188,516.61
  6. Step 6: Final answer
    x = 141,427.01

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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.