Home / 119,406.20-164,821.01-74,110.69

Finding the Fourth Proportional to 119,406.20, 164,821.01 and 74,110.69

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Solution

The fourth proportional to 119,406.20, 164,821.01 and 74,110.69 is: 102,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,406.20 : 164,821.01 = 74,110.69 : x
  2. Step 2: Convert to fraction form
    119,406.20/164,821.01 = 74,110.69/x
  3. Step 3: Cross multiply
    119,406.20x = 164,821.01 × 74,110.69
  4. Step 4: Simplify right side
    119,406.20x = 12,214,998,777.60
  5. Step 5: Solve for x
    x = 12,214,998,777.60/119,406.20
  6. Step 6: Final answer
    x = 102,297.86

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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.