Home / 119,309.10-178,959.53-30,563.48

Finding the Fourth Proportional to 119,309.10, 178,959.53 and 30,563.48

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Solution

The fourth proportional to 119,309.10, 178,959.53 and 30,563.48 is: 45,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,309.10 : 178,959.53 = 30,563.48 : x
  2. Step 2: Convert to fraction form
    119,309.10/178,959.53 = 30,563.48/x
  3. Step 3: Cross multiply
    119,309.10x = 178,959.53 × 30,563.48
  4. Step 4: Simplify right side
    119,309.10x = 5,469,624,968.35
  5. Step 5: Solve for x
    x = 5,469,624,968.35/119,309.10
  6. Step 6: Final answer
    x = 45,844.16

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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.