Home / 106,795.60-160,001.40-51,269.20

Finding the Fourth Proportional to 106,795.60, 160,001.40 and 51,269.20

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Solution

The fourth proportional to 106,795.60, 160,001.40 and 51,269.20 is: 76,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,795.60 : 160,001.40 = 51,269.20 : x
  2. Step 2: Convert to fraction form
    106,795.60/160,001.40 = 51,269.20/x
  3. Step 3: Cross multiply
    106,795.60x = 160,001.40 × 51,269.20
  4. Step 4: Simplify right side
    106,795.60x = 8,203,143,776.88
  5. Step 5: Solve for x
    x = 8,203,143,776.88/106,795.60
  6. Step 6: Final answer
    x = 76,811.63

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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.