Home / 188,580.13-260,229.72-103,697.26

Finding the Fourth Proportional to 188,580.13, 260,229.72 and 103,697.26

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Solution

The fourth proportional to 188,580.13, 260,229.72 and 103,697.26 is: 143,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,580.13 : 260,229.72 = 103,697.26 : x
  2. Step 2: Convert to fraction form
    188,580.13/260,229.72 = 103,697.26/x
  3. Step 3: Cross multiply
    188,580.13x = 260,229.72 × 103,697.26
  4. Step 4: Simplify right side
    188,580.13x = 26,985,108,934.57
  5. Step 5: Solve for x
    x = 26,985,108,934.57/188,580.13
  6. Step 6: Final answer
    x = 143,096.25

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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.