Home / 375,149.64-517,708.02-205,399.56

Finding the Fourth Proportional to 375,149.64, 517,708.02 and 205,399.56

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Solution

The fourth proportional to 375,149.64, 517,708.02 and 205,399.56 is: 283,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,149.64 : 517,708.02 = 205,399.56 : x
  2. Step 2: Convert to fraction form
    375,149.64/517,708.02 = 205,399.56/x
  3. Step 3: Cross multiply
    375,149.64x = 517,708.02 × 205,399.56
  4. Step 4: Simplify right side
    375,149.64x = 106,336,999,516.47
  5. Step 5: Solve for x
    x = 106,336,999,516.47/375,149.64
  6. Step 6: Final answer
    x = 283,452.22

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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.