Home / 219,584.31-329,125.56-99,732.66

Finding the Fourth Proportional to 219,584.31, 329,125.56 and 99,732.66

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Solution

The fourth proportional to 219,584.31, 329,125.56 and 99,732.66 is: 149,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,584.31 : 329,125.56 = 99,732.66 : x
  2. Step 2: Convert to fraction form
    219,584.31/329,125.56 = 99,732.66/x
  3. Step 3: Cross multiply
    219,584.31x = 329,125.56 × 99,732.66
  4. Step 4: Simplify right side
    219,584.31x = 32,824,567,572.79
  5. Step 5: Solve for x
    x = 32,824,567,572.79/219,584.31
  6. Step 6: Final answer
    x = 149,485.03

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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.