Home / 217,739.19-326,524.82-84,601.92

Finding the Fourth Proportional to 217,739.19, 326,524.82 and 84,601.92

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Solution

The fourth proportional to 217,739.19, 326,524.82 and 84,601.92 is: 126,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,739.19 : 326,524.82 = 84,601.92 : x
  2. Step 2: Convert to fraction form
    217,739.19/326,524.82 = 84,601.92/x
  3. Step 3: Cross multiply
    217,739.19x = 326,524.82 × 84,601.92
  4. Step 4: Simplify right side
    217,739.19x = 27,624,626,276.64
  5. Step 5: Solve for x
    x = 27,624,626,276.64/217,739.19
  6. Step 6: Final answer
    x = 126,870.25

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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.