Home / 228,931.80-343,500.10-104,208.60

Finding the Fourth Proportional to 228,931.80, 343,500.10 and 104,208.60

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Solution

The fourth proportional to 228,931.80, 343,500.10 and 104,208.60 is: 156,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,931.80 : 343,500.10 = 104,208.60 : x
  2. Step 2: Convert to fraction form
    228,931.80/343,500.10 = 104,208.60/x
  3. Step 3: Cross multiply
    228,931.80x = 343,500.10 × 104,208.60
  4. Step 4: Simplify right side
    228,931.80x = 35,795,664,520.86
  5. Step 5: Solve for x
    x = 35,795,664,520.86/228,931.80
  6. Step 6: Final answer
    x = 156,359.51

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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.