Home / 143,467.56-197,996.22-79,810.08

Finding the Fourth Proportional to 143,467.56, 197,996.22 and 79,810.08

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Solution

The fourth proportional to 143,467.56, 197,996.22 and 79,810.08 is: 110,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,467.56 : 197,996.22 = 79,810.08 : x
  2. Step 2: Convert to fraction form
    143,467.56/197,996.22 = 79,810.08/x
  3. Step 3: Cross multiply
    143,467.56x = 197,996.22 × 79,810.08
  4. Step 4: Simplify right side
    143,467.56x = 15,802,094,157.90
  5. Step 5: Solve for x
    x = 15,802,094,157.90/143,467.56
  6. Step 6: Final answer
    x = 110,144.02

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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.