Home / 263,136.24-363,128.00-142,277.49

Finding the Fourth Proportional to 263,136.24, 363,128.00 and 142,277.49

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Solution

The fourth proportional to 263,136.24, 363,128.00 and 142,277.49 is: 196,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,136.24 : 363,128.00 = 142,277.49 : x
  2. Step 2: Convert to fraction form
    263,136.24/363,128.00 = 142,277.49/x
  3. Step 3: Cross multiply
    263,136.24x = 363,128.00 × 142,277.49
  4. Step 4: Simplify right side
    263,136.24x = 51,664,939,677.33
  5. Step 5: Solve for x
    x = 51,664,939,677.33/263,136.24
  6. Step 6: Final answer
    x = 196,342.93

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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.