Home / 375,125.10-517,672.65-205,359.22

Finding the Fourth Proportional to 375,125.10, 517,672.65 and 205,359.22

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Solution

The fourth proportional to 375,125.10, 517,672.65 and 205,359.22 is: 283,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,125.10 : 517,672.65 = 205,359.22 : x
  2. Step 2: Convert to fraction form
    375,125.10/517,672.65 = 205,359.22/x
  3. Step 3: Cross multiply
    375,125.10x = 517,672.65 × 205,359.22
  4. Step 4: Simplify right side
    375,125.10x = 106,308,851,619.33
  5. Step 5: Solve for x
    x = 106,308,851,619.33/375,125.10
  6. Step 6: Final answer
    x = 283,395.73

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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.