Home / 188,537.23-260,174.73-103,653.64

Finding the Fourth Proportional to 188,537.23, 260,174.73 and 103,653.64

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Solution

The fourth proportional to 188,537.23, 260,174.73 and 103,653.64 is: 143,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,537.23 : 260,174.73 = 103,653.64 : x
  2. Step 2: Convert to fraction form
    188,537.23/260,174.73 = 103,653.64/x
  3. Step 3: Cross multiply
    188,537.23x = 260,174.73 × 103,653.64
  4. Step 4: Simplify right side
    188,537.23x = 26,968,057,800.52
  5. Step 5: Solve for x
    x = 26,968,057,800.52/188,537.23
  6. Step 6: Final answer
    x = 143,038.37

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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.