Home / 228,942.24-343,411.68-71,170.40

Finding the Fourth Proportional to 228,942.24, 343,411.68 and 71,170.40

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Solution

The fourth proportional to 228,942.24, 343,411.68 and 71,170.40 is: 106,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,942.24 : 343,411.68 = 71,170.40 : x
  2. Step 2: Convert to fraction form
    228,942.24/343,411.68 = 71,170.40/x
  3. Step 3: Cross multiply
    228,942.24x = 343,411.68 × 71,170.40
  4. Step 4: Simplify right side
    228,942.24x = 24,440,746,630.27
  5. Step 5: Solve for x
    x = 24,440,746,630.27/228,942.24
  6. Step 6: Final answer
    x = 106,755.08

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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.