Home / 135,447.36-203,190.04-56,543.64

Finding the Fourth Proportional to 135,447.36, 203,190.04 and 56,543.64

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Solution

The fourth proportional to 135,447.36, 203,190.04 and 56,543.64 is: 84,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,447.36 : 203,190.04 = 56,543.64 : x
  2. Step 2: Convert to fraction form
    135,447.36/203,190.04 = 56,543.64/x
  3. Step 3: Cross multiply
    135,447.36x = 203,190.04 × 56,543.64
  4. Step 4: Simplify right side
    135,447.36x = 11,489,104,473.35
  5. Step 5: Solve for x
    x = 11,489,104,473.35/135,447.36
  6. Step 6: Final answer
    x = 84,823.39

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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.