Home / 228,923.40-343,385.10-71,150.60

Finding the Fourth Proportional to 228,923.40, 343,385.10 and 71,150.60

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Solution

The fourth proportional to 228,923.40, 343,385.10 and 71,150.60 is: 106,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,923.40 : 343,385.10 = 71,150.60 : x
  2. Step 2: Convert to fraction form
    228,923.40/343,385.10 = 71,150.60/x
  3. Step 3: Cross multiply
    228,923.40x = 343,385.10 × 71,150.60
  4. Step 4: Simplify right side
    228,923.40x = 24,432,055,896.06
  5. Step 5: Solve for x
    x = 24,432,055,896.06/228,923.40
  6. Step 6: Final answer
    x = 106,725.90

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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.