Home / 219,867.40-329,606.70-131,026.60

Finding the Fourth Proportional to 219,867.40, 329,606.70 and 131,026.60

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Solution

The fourth proportional to 219,867.40, 329,606.70 and 131,026.60 is: 196,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,867.40 : 329,606.70 = 131,026.60 : x
  2. Step 2: Convert to fraction form
    219,867.40/329,606.70 = 131,026.60/x
  3. Step 3: Cross multiply
    219,867.40x = 329,606.70 × 131,026.60
  4. Step 4: Simplify right side
    219,867.40x = 43,187,245,238.22
  5. Step 5: Solve for x
    x = 43,187,245,238.22/219,867.40
  6. Step 6: Final answer
    x = 196,424.05

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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.