Home / 119,313.39-178,970.09-49,190.88

Finding the Fourth Proportional to 119,313.39, 178,970.09 and 49,190.88

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Solution

The fourth proportional to 119,313.39, 178,970.09 and 49,190.88 is: 73,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,313.39 : 178,970.09 = 49,190.88 : x
  2. Step 2: Convert to fraction form
    119,313.39/178,970.09 = 49,190.88/x
  3. Step 3: Cross multiply
    119,313.39x = 178,970.09 × 49,190.88
  4. Step 4: Simplify right side
    119,313.39x = 8,803,695,974.82
  5. Step 5: Solve for x
    x = 8,803,695,974.82/119,313.39
  6. Step 6: Final answer
    x = 73,786.32

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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.