Home / 219,923.96-329,138.22-135,737.36

Finding the Fourth Proportional to 219,923.96, 329,138.22 and 135,737.36

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Solution

The fourth proportional to 219,923.96, 329,138.22 and 135,737.36 is: 203,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,923.96 : 329,138.22 = 135,737.36 : x
  2. Step 2: Convert to fraction form
    219,923.96/329,138.22 = 135,737.36/x
  3. Step 3: Cross multiply
    219,923.96x = 329,138.22 × 135,737.36
  4. Step 4: Simplify right side
    219,923.96x = 44,676,353,057.90
  5. Step 5: Solve for x
    x = 44,676,353,057.90/219,923.96
  6. Step 6: Final answer
    x = 203,144.55

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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.