Home / 211,994.20-317,829.30-106,888.60

Finding the Fourth Proportional to 211,994.20, 317,829.30 and 106,888.60

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Solution

The fourth proportional to 211,994.20, 317,829.30 and 106,888.60 is: 160,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,994.20 : 317,829.30 = 106,888.60 : x
  2. Step 2: Convert to fraction form
    211,994.20/317,829.30 = 106,888.60/x
  3. Step 3: Cross multiply
    211,994.20x = 317,829.30 × 106,888.60
  4. Step 4: Simplify right side
    211,994.20x = 33,972,328,915.98
  5. Step 5: Solve for x
    x = 33,972,328,915.98/211,994.20
  6. Step 6: Final answer
    x = 160,251.22

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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.