Home / 331,256.82-457,148.15-188,030.19

Finding the Fourth Proportional to 331,256.82, 457,148.15 and 188,030.19

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Solution

The fourth proportional to 331,256.82, 457,148.15 and 188,030.19 is: 259,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,256.82 : 457,148.15 = 188,030.19 : x
  2. Step 2: Convert to fraction form
    331,256.82/457,148.15 = 188,030.19/x
  3. Step 3: Cross multiply
    331,256.82x = 457,148.15 × 188,030.19
  4. Step 4: Simplify right side
    331,256.82x = 85,957,656,039.59
  5. Step 5: Solve for x
    x = 85,957,656,039.59/331,256.82
  6. Step 6: Final answer
    x = 259,489.47

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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.