Home / 150,548.89-207,236.01-130,121.64

Finding the Fourth Proportional to 150,548.89, 207,236.01 and 130,121.64

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Solution

The fourth proportional to 150,548.89, 207,236.01 and 130,121.64 is: 179,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,548.89 : 207,236.01 = 130,121.64 : x
  2. Step 2: Convert to fraction form
    150,548.89/207,236.01 = 130,121.64/x
  3. Step 3: Cross multiply
    150,548.89x = 207,236.01 × 130,121.64
  4. Step 4: Simplify right side
    150,548.89x = 26,965,888,452.08
  5. Step 5: Solve for x
    x = 26,965,888,452.08/150,548.89
  6. Step 6: Final answer
    x = 179,117.15

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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.