Home / 188,579.13-260,228.34-103,696.26

Finding the Fourth Proportional to 188,579.13, 260,228.34 and 103,696.26

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Solution

The fourth proportional to 188,579.13, 260,228.34 and 103,696.26 is: 143,094.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,579.13 : 260,228.34 = 103,696.26 : x
  2. Step 2: Convert to fraction form
    188,579.13/260,228.34 = 103,696.26/x
  3. Step 3: Cross multiply
    188,579.13x = 260,228.34 × 103,696.26
  4. Step 4: Simplify right side
    188,579.13x = 26,984,705,604.01
  5. Step 5: Solve for x
    x = 26,984,705,604.01/188,579.13
  6. Step 6: Final answer
    x = 143,094.87

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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.