Home / 237,400.21-327,616.41-129,968.56

Finding the Fourth Proportional to 237,400.21, 327,616.41 and 129,968.56

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Solution

The fourth proportional to 237,400.21, 327,616.41 and 129,968.56 is: 179,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,400.21 : 327,616.41 = 129,968.56 : x
  2. Step 2: Convert to fraction form
    237,400.21/327,616.41 = 129,968.56/x
  3. Step 3: Cross multiply
    237,400.21x = 327,616.41 × 129,968.56
  4. Step 4: Simplify right side
    237,400.21x = 42,579,833,040.07
  5. Step 5: Solve for x
    x = 42,579,833,040.07/237,400.21
  6. Step 6: Final answer
    x = 179,358.87

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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.