Home / 534,685.12-802,027.52-135,327.92

Finding the Fourth Proportional to 534,685.12, 802,027.52 and 135,327.92

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Solution

The fourth proportional to 534,685.12, 802,027.52 and 135,327.92 is: 202,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,685.12 : 802,027.52 = 135,327.92 : x
  2. Step 2: Convert to fraction form
    534,685.12/802,027.52 = 135,327.92/x
  3. Step 3: Cross multiply
    534,685.12x = 802,027.52 × 135,327.92
  4. Step 4: Simplify right side
    534,685.12x = 108,536,716,064.36
  5. Step 5: Solve for x
    x = 108,536,716,064.36/534,685.12
  6. Step 6: Final answer
    x = 202,991.84

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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.