Home / 239,668.10-330,743.75-132,242.12

Finding the Fourth Proportional to 239,668.10, 330,743.75 and 132,242.12

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Solution

The fourth proportional to 239,668.10, 330,743.75 and 132,242.12 is: 182,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,668.10 : 330,743.75 = 132,242.12 : x
  2. Step 2: Convert to fraction form
    239,668.10/330,743.75 = 132,242.12/x
  3. Step 3: Cross multiply
    239,668.10x = 330,743.75 × 132,242.12
  4. Step 4: Simplify right side
    239,668.10x = 43,738,254,676.75
  5. Step 5: Solve for x
    x = 43,738,254,676.75/239,668.10
  6. Step 6: Final answer
    x = 182,495.10

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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.