Home / 331,631.89-497,544.73-106,987.37

Finding the Fourth Proportional to 331,631.89, 497,544.73 and 106,987.37

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Solution

The fourth proportional to 331,631.89, 497,544.73 and 106,987.37 is: 160,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,631.89 : 497,544.73 = 106,987.37 : x
  2. Step 2: Convert to fraction form
    331,631.89/497,544.73 = 106,987.37/x
  3. Step 3: Cross multiply
    331,631.89x = 497,544.73 × 106,987.37
  4. Step 4: Simplify right side
    331,631.89x = 53,230,999,364.87
  5. Step 5: Solve for x
    x = 53,230,999,364.87/331,631.89
  6. Step 6: Final answer
    x = 160,512.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.