Home / 134,858.72-202,272.36-84,791.04

Finding the Fourth Proportional to 134,858.72, 202,272.36 and 84,791.04

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Solution

The fourth proportional to 134,858.72, 202,272.36 and 84,791.04 is: 127,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,858.72 : 202,272.36 = 84,791.04 : x
  2. Step 2: Convert to fraction form
    134,858.72/202,272.36 = 84,791.04/x
  3. Step 3: Cross multiply
    134,858.72x = 202,272.36 × 84,791.04
  4. Step 4: Simplify right side
    134,858.72x = 17,150,883,767.65
  5. Step 5: Solve for x
    x = 17,150,883,767.65/134,858.72
  6. Step 6: Final answer
    x = 127,176.68

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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.