Home / 207,922.02-312,408.54-199,514.52

Finding the Fourth Proportional to 207,922.02, 312,408.54 and 199,514.52

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Solution

The fourth proportional to 207,922.02, 312,408.54 and 199,514.52 is: 299,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,922.02 : 312,408.54 = 199,514.52 : x
  2. Step 2: Convert to fraction form
    207,922.02/312,408.54 = 199,514.52/x
  3. Step 3: Cross multiply
    207,922.02x = 312,408.54 × 199,514.52
  4. Step 4: Simplify right side
    207,922.02x = 62,330,039,902.00
  5. Step 5: Solve for x
    x = 62,330,039,902.00/207,922.02
  6. Step 6: Final answer
    x = 299,776.04

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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.