Home / 217,003.24-325,116.06-76,672.36

Finding the Fourth Proportional to 217,003.24, 325,116.06 and 76,672.36

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Solution

The fourth proportional to 217,003.24, 325,116.06 and 76,672.36 is: 114,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,003.24 : 325,116.06 = 76,672.36 : x
  2. Step 2: Convert to fraction form
    217,003.24/325,116.06 = 76,672.36/x
  3. Step 3: Cross multiply
    217,003.24x = 325,116.06 × 76,672.36
  4. Step 4: Simplify right side
    217,003.24x = 24,927,415,594.10
  5. Step 5: Solve for x
    x = 24,927,415,594.10/217,003.24
  6. Step 6: Final answer
    x = 114,871.17

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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.