Home / 443,514.64-665,376.44-143,972.08

Finding the Fourth Proportional to 443,514.64, 665,376.44 and 143,972.08

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Solution

The fourth proportional to 443,514.64, 665,376.44 and 143,972.08 is: 215,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,514.64 : 665,376.44 = 143,972.08 : x
  2. Step 2: Convert to fraction form
    443,514.64/665,376.44 = 143,972.08/x
  3. Step 3: Cross multiply
    443,514.64x = 665,376.44 × 143,972.08
  4. Step 4: Simplify right side
    443,514.64x = 95,795,630,049.80
  5. Step 5: Solve for x
    x = 95,795,630,049.80/443,514.64
  6. Step 6: Final answer
    x = 215,992.04

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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.