Home / 131,108.99-196,664.62-42,362.50

Finding the Fourth Proportional to 131,108.99, 196,664.62 and 42,362.50

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Solution

The fourth proportional to 131,108.99, 196,664.62 and 42,362.50 is: 63,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,108.99 : 196,664.62 = 42,362.50 : x
  2. Step 2: Convert to fraction form
    131,108.99/196,664.62 = 42,362.50/x
  3. Step 3: Cross multiply
    131,108.99x = 196,664.62 × 42,362.50
  4. Step 4: Simplify right side
    131,108.99x = 8,331,204,752.94
  5. Step 5: Solve for x
    x = 8,331,204,752.94/131,108.99
  6. Step 6: Final answer
    x = 63,544.12

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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.