Home / 219,862.96-329,572.38-105,843.30

Finding the Fourth Proportional to 219,862.96, 329,572.38 and 105,843.30

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Solution

The fourth proportional to 219,862.96, 329,572.38 and 105,843.30 is: 158,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,862.96 : 329,572.38 = 105,843.30 : x
  2. Step 2: Convert to fraction form
    219,862.96/329,572.38 = 105,843.30/x
  3. Step 3: Cross multiply
    219,862.96x = 329,572.38 × 105,843.30
  4. Step 4: Simplify right side
    219,862.96x = 34,883,028,288.05
  5. Step 5: Solve for x
    x = 34,883,028,288.05/219,862.96
  6. Step 6: Final answer
    x = 158,658.05

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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.