Home / 351,621.42-485,239.89-190,476.48

Finding the Fourth Proportional to 351,621.42, 485,239.89 and 190,476.48

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Solution

The fourth proportional to 351,621.42, 485,239.89 and 190,476.48 is: 262,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,621.42 : 485,239.89 = 190,476.48 : x
  2. Step 2: Convert to fraction form
    351,621.42/485,239.89 = 190,476.48/x
  3. Step 3: Cross multiply
    351,621.42x = 485,239.89 × 190,476.48
  4. Step 4: Simplify right side
    351,621.42x = 92,426,786,202.79
  5. Step 5: Solve for x
    x = 92,426,786,202.79/351,621.42
  6. Step 6: Final answer
    x = 262,858.80

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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.