Home / 173,845.40-260,768.10-85,112.60

Finding the Fourth Proportional to 173,845.40, 260,768.10 and 85,112.60

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Solution

The fourth proportional to 173,845.40, 260,768.10 and 85,112.60 is: 127,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,845.40 : 260,768.10 = 85,112.60 : x
  2. Step 2: Convert to fraction form
    173,845.40/260,768.10 = 85,112.60/x
  3. Step 3: Cross multiply
    173,845.40x = 260,768.10 × 85,112.60
  4. Step 4: Simplify right side
    173,845.40x = 22,194,650,988.06
  5. Step 5: Solve for x
    x = 22,194,650,988.06/173,845.40
  6. Step 6: Final answer
    x = 127,668.90

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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.