Home / 274,914.60-412,356.91-75,220.58

Finding the Fourth Proportional to 274,914.60, 412,356.91 and 75,220.58

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Solution

The fourth proportional to 274,914.60, 412,356.91 and 75,220.58 is: 112,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,914.60 : 412,356.91 = 75,220.58 : x
  2. Step 2: Convert to fraction form
    274,914.60/412,356.91 = 75,220.58/x
  3. Step 3: Cross multiply
    274,914.60x = 412,356.91 × 75,220.58
  4. Step 4: Simplify right side
    274,914.60x = 31,017,725,937.21
  5. Step 5: Solve for x
    x = 31,017,725,937.21/274,914.60
  6. Step 6: Final answer
    x = 112,826.77

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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.