Home / 248,735.46-343,267.10-139,874.05

Finding the Fourth Proportional to 248,735.46, 343,267.10 and 139,874.05

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Solution

The fourth proportional to 248,735.46, 343,267.10 and 139,874.05 is: 193,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,735.46 : 343,267.10 = 139,874.05 : x
  2. Step 2: Convert to fraction form
    248,735.46/343,267.10 = 139,874.05/x
  3. Step 3: Cross multiply
    248,735.46x = 343,267.10 × 139,874.05
  4. Step 4: Simplify right side
    248,735.46x = 48,014,159,508.76
  5. Step 5: Solve for x
    x = 48,014,159,508.76/248,735.46
  6. Step 6: Final answer
    x = 193,033.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.