Home / 263,254.09-363,290.68-142,395.32

Finding the Fourth Proportional to 263,254.09, 363,290.68 and 142,395.32

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Solution

The fourth proportional to 263,254.09, 363,290.68 and 142,395.32 is: 196,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,254.09 : 363,290.68 = 142,395.32 : x
  2. Step 2: Convert to fraction form
    263,254.09/363,290.68 = 142,395.32/x
  3. Step 3: Cross multiply
    263,254.09x = 363,290.68 × 142,395.32
  4. Step 4: Simplify right side
    263,254.09x = 51,730,892,631.62
  5. Step 5: Solve for x
    x = 51,730,892,631.62/263,254.09
  6. Step 6: Final answer
    x = 196,505.56

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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.