Home / 331,257.15-457,148.61-188,030.52

Finding the Fourth Proportional to 331,257.15, 457,148.61 and 188,030.52

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Solution

The fourth proportional to 331,257.15, 457,148.61 and 188,030.52 is: 259,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,257.15 : 457,148.61 = 188,030.52 : x
  2. Step 2: Convert to fraction form
    331,257.15/457,148.61 = 188,030.52/x
  3. Step 3: Cross multiply
    331,257.15x = 457,148.61 × 188,030.52
  4. Step 4: Simplify right side
    331,257.15x = 85,957,891,528.37
  5. Step 5: Solve for x
    x = 85,957,891,528.37/331,257.15
  6. Step 6: Final answer
    x = 259,489.92

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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.