Home / 331,723.52-457,761.92-188,464.64

Finding the Fourth Proportional to 331,723.52, 457,761.92 and 188,464.64

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Solution

The fourth proportional to 331,723.52, 457,761.92 and 188,464.64 is: 260,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,723.52 : 457,761.92 = 188,464.64 : x
  2. Step 2: Convert to fraction form
    331,723.52/457,761.92 = 188,464.64/x
  3. Step 3: Cross multiply
    331,723.52x = 457,761.92 × 188,464.64
  4. Step 4: Simplify right side
    331,723.52x = 86,271,935,458.51
  5. Step 5: Solve for x
    x = 86,271,935,458.51/331,723.52
  6. Step 6: Final answer
    x = 260,071.81

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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.