Home / 353,144.30-529,716.45-213,176.30

Finding the Fourth Proportional to 353,144.30, 529,716.45 and 213,176.30

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Solution

The fourth proportional to 353,144.30, 529,716.45 and 213,176.30 is: 319,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,144.30 : 529,716.45 = 213,176.30 : x
  2. Step 2: Convert to fraction form
    353,144.30/529,716.45 = 213,176.30/x
  3. Step 3: Cross multiply
    353,144.30x = 529,716.45 × 213,176.30
  4. Step 4: Simplify right side
    353,144.30x = 112,922,992,860.14
  5. Step 5: Solve for x
    x = 112,922,992,860.14/353,144.30
  6. Step 6: Final answer
    x = 319,764.45

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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.