Home / 275,724.96-413,941.63-212,585.18

Finding the Fourth Proportional to 275,724.96, 413,941.63 and 212,585.18

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Solution

The fourth proportional to 275,724.96, 413,941.63 and 212,585.18 is: 319,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,724.96 : 413,941.63 = 212,585.18 : x
  2. Step 2: Convert to fraction form
    275,724.96/413,941.63 = 212,585.18/x
  3. Step 3: Cross multiply
    275,724.96x = 413,941.63 × 212,585.18
  4. Step 4: Simplify right side
    275,724.96x = 87,997,856,914.15
  5. Step 5: Solve for x
    x = 87,997,856,914.15/275,724.96
  6. Step 6: Final answer
    x = 319,150.85

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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.