Home / 174,058.20-261,100.80-74,219.09

Finding the Fourth Proportional to 174,058.20, 261,100.80 and 74,219.09

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Solution

The fourth proportional to 174,058.20, 261,100.80 and 74,219.09 is: 111,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,058.20 : 261,100.80 = 74,219.09 : x
  2. Step 2: Convert to fraction form
    174,058.20/261,100.80 = 74,219.09/x
  3. Step 3: Cross multiply
    174,058.20x = 261,100.80 × 74,219.09
  4. Step 4: Simplify right side
    174,058.20x = 19,378,662,468.77
  5. Step 5: Solve for x
    x = 19,378,662,468.77/174,058.20
  6. Step 6: Final answer
    x = 111,334.38

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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.