Home / 179,861.12-248,238.36-171,889.28

Finding the Fourth Proportional to 179,861.12, 248,238.36 and 171,889.28

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Solution

The fourth proportional to 179,861.12, 248,238.36 and 171,889.28 is: 237,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,861.12 : 248,238.36 = 171,889.28 : x
  2. Step 2: Convert to fraction form
    179,861.12/248,238.36 = 171,889.28/x
  3. Step 3: Cross multiply
    179,861.12x = 248,238.36 × 171,889.28
  4. Step 4: Simplify right side
    179,861.12x = 42,669,512,968.78
  5. Step 5: Solve for x
    x = 42,669,512,968.78/179,861.12
  6. Step 6: Final answer
    x = 237,235.89

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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.