Home / 174,388.37-261,581.13-115,487.60

Finding the Fourth Proportional to 174,388.37, 261,581.13 and 115,487.60

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Solution

The fourth proportional to 174,388.37, 261,581.13 and 115,487.60 is: 173,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,388.37 : 261,581.13 = 115,487.60 : x
  2. Step 2: Convert to fraction form
    174,388.37/261,581.13 = 115,487.60/x
  3. Step 3: Cross multiply
    174,388.37x = 261,581.13 × 115,487.60
  4. Step 4: Simplify right side
    174,388.37x = 30,209,375,601.08
  5. Step 5: Solve for x
    x = 30,209,375,601.08/174,388.37
  6. Step 6: Final answer
    x = 173,230.45

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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.