Home / 159,426.36-219,772.44-102,057.48

Finding the Fourth Proportional to 159,426.36, 219,772.44 and 102,057.48

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Solution

The fourth proportional to 159,426.36, 219,772.44 and 102,057.48 is: 140,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426.36 : 219,772.44 = 102,057.48 : x
  2. Step 2: Convert to fraction form
    159,426.36/219,772.44 = 102,057.48/x
  3. Step 3: Cross multiply
    159,426.36x = 219,772.44 × 102,057.48
  4. Step 4: Simplify right side
    159,426.36x = 22,429,421,399.85
  5. Step 5: Solve for x
    x = 22,429,421,399.85/159,426.36
  6. Step 6: Final answer
    x = 140,688.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.