Home / 274,170.06-378,352.53-153,311.58

Finding the Fourth Proportional to 274,170.06, 378,352.53 and 153,311.58

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Solution

The fourth proportional to 274,170.06, 378,352.53 and 153,311.58 is: 211,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,170.06 : 378,352.53 = 153,311.58 : x
  2. Step 2: Convert to fraction form
    274,170.06/378,352.53 = 153,311.58/x
  3. Step 3: Cross multiply
    274,170.06x = 378,352.53 × 153,311.58
  4. Step 4: Simplify right side
    274,170.06x = 58,005,824,171.30
  5. Step 5: Solve for x
    x = 58,005,824,171.30/274,170.06
  6. Step 6: Final answer
    x = 211,568.78

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1.5x scale

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.