Home / 190,910.40-263,338.56-122,904.96

Finding the Fourth Proportional to 190,910.40, 263,338.56 and 122,904.96

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Solution

The fourth proportional to 190,910.40, 263,338.56 and 122,904.96 is: 169,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,910.40 : 263,338.56 = 122,904.96 : x
  2. Step 2: Convert to fraction form
    190,910.40/263,338.56 = 122,904.96/x
  3. Step 3: Cross multiply
    190,910.40x = 263,338.56 × 122,904.96
  4. Step 4: Simplify right side
    190,910.40x = 32,365,615,183.26
  5. Step 5: Solve for x
    x = 32,365,615,183.26/190,910.40
  6. Step 6: Final answer
    x = 169,533.01

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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.