Home / 534,765.90-802,150.24-135,406.74

Finding the Fourth Proportional to 534,765.90, 802,150.24 and 135,406.74

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Solution

The fourth proportional to 534,765.90, 802,150.24 and 135,406.74 is: 203,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,765.90 : 802,150.24 = 135,406.74 : x
  2. Step 2: Convert to fraction form
    534,765.90/802,150.24 = 135,406.74/x
  3. Step 3: Cross multiply
    534,765.90x = 802,150.24 × 135,406.74
  4. Step 4: Simplify right side
    534,765.90x = 108,616,548,988.62
  5. Step 5: Solve for x
    x = 108,616,548,988.62/534,765.90
  6. Step 6: Final answer
    x = 203,110.46

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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.