Home / 174,699.03-261,861.69-90,374.28

Finding the Fourth Proportional to 174,699.03, 261,861.69 and 90,374.28

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Solution

The fourth proportional to 174,699.03, 261,861.69 and 90,374.28 is: 135,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,699.03 : 261,861.69 = 90,374.28 : x
  2. Step 2: Convert to fraction form
    174,699.03/261,861.69 = 90,374.28/x
  3. Step 3: Cross multiply
    174,699.03x = 261,861.69 × 90,374.28
  4. Step 4: Simplify right side
    174,699.03x = 23,665,561,693.33
  5. Step 5: Solve for x
    x = 23,665,561,693.33/174,699.03
  6. Step 6: Final answer
    x = 135,464.76

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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.