Home / 188,620.47-260,297.99-102,580.29

Finding the Fourth Proportional to 188,620.47, 260,297.99 and 102,580.29

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Solution

The fourth proportional to 188,620.47, 260,297.99 and 102,580.29 is: 141,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,620.47 : 260,297.99 = 102,580.29 : x
  2. Step 2: Convert to fraction form
    188,620.47/260,297.99 = 102,580.29/x
  3. Step 3: Cross multiply
    188,620.47x = 260,297.99 × 102,580.29
  4. Step 4: Simplify right side
    188,620.47x = 26,701,442,507.02
  5. Step 5: Solve for x
    x = 26,701,442,507.02/188,620.47
  6. Step 6: Final answer
    x = 141,561.74

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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.