Home / 119,338.30-164,687.45-65,626.80

Finding the Fourth Proportional to 119,338.30, 164,687.45 and 65,626.80

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Solution

The fourth proportional to 119,338.30, 164,687.45 and 65,626.80 is: 90,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,338.30 : 164,687.45 = 65,626.80 : x
  2. Step 2: Convert to fraction form
    119,338.30/164,687.45 = 65,626.80/x
  3. Step 3: Cross multiply
    119,338.30x = 164,687.45 × 65,626.80
  4. Step 4: Simplify right side
    119,338.30x = 10,807,910,343.66
  5. Step 5: Solve for x
    x = 10,807,910,343.66/119,338.30
  6. Step 6: Final answer
    x = 90,565.31

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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.