Home / 188,462.63-260,067.43-103,579.76

Finding the Fourth Proportional to 188,462.63, 260,067.43 and 103,579.76

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Solution

The fourth proportional to 188,462.63, 260,067.43 and 103,579.76 is: 142,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,462.63 : 260,067.43 = 103,579.76 : x
  2. Step 2: Convert to fraction form
    188,462.63/260,067.43 = 103,579.76/x
  3. Step 3: Cross multiply
    188,462.63x = 260,067.43 × 103,579.76
  4. Step 4: Simplify right side
    188,462.63x = 26,937,721,983.22
  5. Step 5: Solve for x
    x = 26,937,721,983.22/188,462.63
  6. Step 6: Final answer
    x = 142,934.02

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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.