Home / 119,301.36-164,651.04-68,990.64

Finding the Fourth Proportional to 119,301.36, 164,651.04 and 68,990.64

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Solution

The fourth proportional to 119,301.36, 164,651.04 and 68,990.64 is: 95,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,301.36 : 164,651.04 = 68,990.64 : x
  2. Step 2: Convert to fraction form
    119,301.36/164,651.04 = 68,990.64/x
  3. Step 3: Cross multiply
    119,301.36x = 164,651.04 × 68,990.64
  4. Step 4: Simplify right side
    119,301.36x = 11,359,380,626.27
  5. Step 5: Solve for x
    x = 11,359,380,626.27/119,301.36
  6. Step 6: Final answer
    x = 95,215.85

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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.