Home / 319,933.88-479,851.58-106,705.56

Finding the Fourth Proportional to 319,933.88, 479,851.58 and 106,705.56

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Solution

The fourth proportional to 319,933.88, 479,851.58 and 106,705.56 is: 160,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,933.88 : 479,851.58 = 106,705.56 : x
  2. Step 2: Convert to fraction form
    319,933.88/479,851.58 = 106,705.56/x
  3. Step 3: Cross multiply
    319,933.88x = 479,851.58 × 106,705.56
  4. Step 4: Simplify right side
    319,933.88x = 51,202,831,560.78
  5. Step 5: Solve for x
    x = 51,202,831,560.78/319,933.88
  6. Step 6: Final answer
    x = 160,041.92

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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.