Home / 168,633.22-252,943.78-42,274.50

Finding the Fourth Proportional to 168,633.22, 252,943.78 and 42,274.50

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Solution

The fourth proportional to 168,633.22, 252,943.78 and 42,274.50 is: 63,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,633.22 : 252,943.78 = 42,274.50 : x
  2. Step 2: Convert to fraction form
    168,633.22/252,943.78 = 42,274.50/x
  3. Step 3: Cross multiply
    168,633.22x = 252,943.78 × 42,274.50
  4. Step 4: Simplify right side
    168,633.22x = 10,693,072,459.97
  5. Step 5: Solve for x
    x = 10,693,072,459.97/168,633.22
  6. Step 6: Final answer
    x = 63,410.24

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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.