Home / 175,916.94-242,765.26-103,305.43

Finding the Fourth Proportional to 175,916.94, 242,765.26 and 103,305.43

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Solution

The fourth proportional to 175,916.94, 242,765.26 and 103,305.43 is: 142,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,916.94 : 242,765.26 = 103,305.43 : x
  2. Step 2: Convert to fraction form
    175,916.94/242,765.26 = 103,305.43/x
  3. Step 3: Cross multiply
    175,916.94x = 242,765.26 × 103,305.43
  4. Step 4: Simplify right side
    175,916.94x = 25,078,969,573.36
  5. Step 5: Solve for x
    x = 25,078,969,573.36/175,916.94
  6. Step 6: Final answer
    x = 142,561.42

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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.