Home / 296,779.20-445,514.40-192,033.60

Finding the Fourth Proportional to 296,779.20, 445,514.40 and 192,033.60

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Solution

The fourth proportional to 296,779.20, 445,514.40 and 192,033.60 is: 288,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,779.20 : 445,514.40 = 192,033.60 : x
  2. Step 2: Convert to fraction form
    296,779.20/445,514.40 = 192,033.60/x
  3. Step 3: Cross multiply
    296,779.20x = 445,514.40 × 192,033.60
  4. Step 4: Simplify right side
    296,779.20x = 85,553,734,083.84
  5. Step 5: Solve for x
    x = 85,553,734,083.84/296,779.20
  6. Step 6: Final answer
    x = 288,274.02

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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.