Home / 331,823.86-457,955.80-188,605.43

Finding the Fourth Proportional to 331,823.86, 457,955.80 and 188,605.43

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Solution

The fourth proportional to 331,823.86, 457,955.80 and 188,605.43 is: 260,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,823.86 : 457,955.80 = 188,605.43 : x
  2. Step 2: Convert to fraction form
    331,823.86/457,955.80 = 188,605.43/x
  3. Step 3: Cross multiply
    331,823.86x = 457,955.80 × 188,605.43
  4. Step 4: Simplify right side
    331,823.86x = 86,372,947,818.70
  5. Step 5: Solve for x
    x = 86,372,947,818.70/331,823.86
  6. Step 6: Final answer
    x = 260,297.58

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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.