Home / 263,412.43-363,509.13-142,553.75

Finding the Fourth Proportional to 263,412.43, 363,509.13 and 142,553.75

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Solution

The fourth proportional to 263,412.43, 363,509.13 and 142,553.75 is: 196,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,412.43 : 363,509.13 = 142,553.75 : x
  2. Step 2: Convert to fraction form
    263,412.43/363,509.13 = 142,553.75/x
  3. Step 3: Cross multiply
    263,412.43x = 363,509.13 × 142,553.75
  4. Step 4: Simplify right side
    263,412.43x = 51,819,588,778.74
  5. Step 5: Solve for x
    x = 51,819,588,778.74/263,412.43
  6. Step 6: Final answer
    x = 196,724.16

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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.