Home / 131,007.06-196,346.16-56,039.09

Finding the Fourth Proportional to 131,007.06, 196,346.16 and 56,039.09

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Solution

The fourth proportional to 131,007.06, 196,346.16 and 56,039.09 is: 83,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,007.06 : 196,346.16 = 56,039.09 : x
  2. Step 2: Convert to fraction form
    131,007.06/196,346.16 = 56,039.09/x
  3. Step 3: Cross multiply
    131,007.06x = 196,346.16 × 56,039.09
  4. Step 4: Simplify right side
    131,007.06x = 11,003,059,149.66
  5. Step 5: Solve for x
    x = 11,003,059,149.66/131,007.06
  6. Step 6: Final answer
    x = 83,988.29

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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.