Home / 534,771.61-802,159.26-135,412.21

Finding the Fourth Proportional to 534,771.61, 802,159.26 and 135,412.21

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Solution

The fourth proportional to 534,771.61, 802,159.26 and 135,412.21 is: 203,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,771.61 : 802,159.26 = 135,412.21 : x
  2. Step 2: Convert to fraction form
    534,771.61/802,159.26 = 135,412.21/x
  3. Step 3: Cross multiply
    534,771.61x = 802,159.26 × 135,412.21
  4. Step 4: Simplify right side
    534,771.61x = 108,622,158,168.57
  5. Step 5: Solve for x
    x = 108,622,158,168.57/534,771.61
  6. Step 6: Final answer
    x = 203,118.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.