Home / 188,533.30-260,174.80-106,861.16

Finding the Fourth Proportional to 188,533.30, 260,174.80 and 106,861.16

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Solution

The fourth proportional to 188,533.30, 260,174.80 and 106,861.16 is: 147,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,533.30 : 260,174.80 = 106,861.16 : x
  2. Step 2: Convert to fraction form
    188,533.30/260,174.80 = 106,861.16/x
  3. Step 3: Cross multiply
    188,533.30x = 260,174.80 × 106,861.16
  4. Step 4: Simplify right side
    188,533.30x = 27,802,580,930.77
  5. Step 5: Solve for x
    x = 27,802,580,930.77/188,533.30
  6. Step 6: Final answer
    x = 147,467.75

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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.