Home / 172,431.44-237,988.14-107,930.60

Finding the Fourth Proportional to 172,431.44, 237,988.14 and 107,930.60

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Solution

The fourth proportional to 172,431.44, 237,988.14 and 107,930.60 is: 148,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,431.44 : 237,988.14 = 107,930.60 : x
  2. Step 2: Convert to fraction form
    172,431.44/237,988.14 = 107,930.60/x
  3. Step 3: Cross multiply
    172,431.44x = 237,988.14 × 107,930.60
  4. Step 4: Simplify right side
    172,431.44x = 25,686,202,743.08
  5. Step 5: Solve for x
    x = 25,686,202,743.08/172,431.44
  6. Step 6: Final answer
    x = 148,964.73

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1.5x scale

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.