Home / 174,747.60-262,121.40-74,890.80

Finding the Fourth Proportional to 174,747.60, 262,121.40 and 74,890.80

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Solution

The fourth proportional to 174,747.60, 262,121.40 and 74,890.80 is: 112,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,747.60 : 262,121.40 = 74,890.80 : x
  2. Step 2: Convert to fraction form
    174,747.60/262,121.40 = 74,890.80/x
  3. Step 3: Cross multiply
    174,747.60x = 262,121.40 × 74,890.80
  4. Step 4: Simplify right side
    174,747.60x = 19,630,481,343.12
  5. Step 5: Solve for x
    x = 19,630,481,343.12/174,747.60
  6. Step 6: Final answer
    x = 112,336.20

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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.