Home / 147,204.08-203,168.22-86,771.24

Finding the Fourth Proportional to 147,204.08, 203,168.22 and 86,771.24

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Solution

The fourth proportional to 147,204.08, 203,168.22 and 86,771.24 is: 119,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,204.08 : 203,168.22 = 86,771.24 : x
  2. Step 2: Convert to fraction form
    147,204.08/203,168.22 = 86,771.24/x
  3. Step 3: Cross multiply
    147,204.08x = 203,168.22 × 86,771.24
  4. Step 4: Simplify right side
    147,204.08x = 17,629,158,377.99
  5. Step 5: Solve for x
    x = 17,629,158,377.99/147,204.08
  6. Step 6: Final answer
    x = 119,759.98

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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.