Home / 117,174.22-175,759.77-28,428.46

Finding the Fourth Proportional to 117,174.22, 175,759.77 and 28,428.46

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Solution

The fourth proportional to 117,174.22, 175,759.77 and 28,428.46 is: 42,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.22 : 175,759.77 = 28,428.46 : x
  2. Step 2: Convert to fraction form
    117,174.22/175,759.77 = 28,428.46/x
  3. Step 3: Cross multiply
    117,174.22x = 175,759.77 × 28,428.46
  4. Step 4: Simplify right side
    117,174.22x = 4,996,579,591.05
  5. Step 5: Solve for x
    x = 4,996,579,591.05/117,174.22
  6. Step 6: Final answer
    x = 42,642.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.