Home / 331,656.39-457,687.26-188,424.36

Finding the Fourth Proportional to 331,656.39, 457,687.26 and 188,424.36

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Solution

The fourth proportional to 331,656.39, 457,687.26 and 188,424.36 is: 260,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,656.39 : 457,687.26 = 188,424.36 : x
  2. Step 2: Convert to fraction form
    331,656.39/457,687.26 = 188,424.36/x
  3. Step 3: Cross multiply
    331,656.39x = 457,687.26 × 188,424.36
  4. Step 4: Simplify right side
    331,656.39x = 86,239,429,045.65
  5. Step 5: Solve for x
    x = 86,239,429,045.65/331,656.39
  6. Step 6: Final answer
    x = 260,026.44

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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.