Home / 188,558.36-260,206.75-102,519.04

Finding the Fourth Proportional to 188,558.36, 260,206.75 and 102,519.04

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Solution

The fourth proportional to 188,558.36, 260,206.75 and 102,519.04 is: 141,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,558.36 : 260,206.75 = 102,519.04 : x
  2. Step 2: Convert to fraction form
    188,558.36/260,206.75 = 102,519.04/x
  3. Step 3: Cross multiply
    188,558.36x = 260,206.75 × 102,519.04
  4. Step 4: Simplify right side
    188,558.36x = 26,676,147,197.21
  5. Step 5: Solve for x
    x = 26,676,147,197.21/188,558.36
  6. Step 6: Final answer
    x = 141,474.22

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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.