Home / 231,044.83-345,778.70-193,647.13

Finding the Fourth Proportional to 231,044.83, 345,778.70 and 193,647.13

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Solution

The fourth proportional to 231,044.83, 345,778.70 and 193,647.13 is: 289,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,044.83 : 345,778.70 = 193,647.13 : x
  2. Step 2: Convert to fraction form
    231,044.83/345,778.70 = 193,647.13/x
  3. Step 3: Cross multiply
    231,044.83x = 345,778.70 × 193,647.13
  4. Step 4: Simplify right side
    231,044.83x = 66,959,051,037.45
  5. Step 5: Solve for x
    x = 66,959,051,037.45/231,044.83
  6. Step 6: Final answer
    x = 289,809.78

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1.5x scale

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.