Home / 218,231.36-301,175.04-133,364.64

Finding the Fourth Proportional to 218,231.36, 301,175.04 and 133,364.64

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Solution

The fourth proportional to 218,231.36, 301,175.04 and 133,364.64 is: 184,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,231.36 : 301,175.04 = 133,364.64 : x
  2. Step 2: Convert to fraction form
    218,231.36/301,175.04 = 133,364.64/x
  3. Step 3: Cross multiply
    218,231.36x = 301,175.04 × 133,364.64
  4. Step 4: Simplify right side
    218,231.36x = 40,166,100,786.59
  5. Step 5: Solve for x
    x = 40,166,100,786.59/218,231.36
  6. Step 6: Final answer
    x = 184,052.84

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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.