Home / 263,398.03-363,489.28-142,539.32

Finding the Fourth Proportional to 263,398.03, 363,489.28 and 142,539.32

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Solution

The fourth proportional to 263,398.03, 363,489.28 and 142,539.32 is: 196,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,398.03 : 363,489.28 = 142,539.32 : x
  2. Step 2: Convert to fraction form
    263,398.03/363,489.28 = 142,539.32/x
  3. Step 3: Cross multiply
    263,398.03x = 363,489.28 × 142,539.32
  4. Step 4: Simplify right side
    263,398.03x = 51,811,514,798.49
  5. Step 5: Solve for x
    x = 51,811,514,798.49/263,398.03
  6. Step 6: Final answer
    x = 196,704.26

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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.