Home / 351,529.04-485,109.32-190,383.60

Finding the Fourth Proportional to 351,529.04, 485,109.32 and 190,383.60

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Solution

The fourth proportional to 351,529.04, 485,109.32 and 190,383.60 is: 262,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,529.04 : 485,109.32 = 190,383.60 : x
  2. Step 2: Convert to fraction form
    351,529.04/485,109.32 = 190,383.60/x
  3. Step 3: Cross multiply
    351,529.04x = 485,109.32 × 190,383.60
  4. Step 4: Simplify right side
    351,529.04x = 92,356,858,735.15
  5. Step 5: Solve for x
    x = 92,356,858,735.15/351,529.04
  6. Step 6: Final answer
    x = 262,728.96

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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.