Home / 219,948.22-329,919.45-53,737.66

Finding the Fourth Proportional to 219,948.22, 329,919.45 and 53,737.66

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Solution

The fourth proportional to 219,948.22, 329,919.45 and 53,737.66 is: 80,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,948.22 : 329,919.45 = 53,737.66 : x
  2. Step 2: Convert to fraction form
    219,948.22/329,919.45 = 53,737.66/x
  3. Step 3: Cross multiply
    219,948.22x = 329,919.45 × 53,737.66
  4. Step 4: Simplify right side
    219,948.22x = 17,729,099,231.49
  5. Step 5: Solve for x
    x = 17,729,099,231.49/219,948.22
  6. Step 6: Final answer
    x = 80,605.79

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1.5x scale

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.