Home / 383,842.02-529,731.38-211,793.19

Finding the Fourth Proportional to 383,842.02, 529,731.38 and 211,793.19

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Solution

The fourth proportional to 383,842.02, 529,731.38 and 211,793.19 is: 292,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,842.02 : 529,731.38 = 211,793.19 : x
  2. Step 2: Convert to fraction form
    383,842.02/529,731.38 = 211,793.19/x
  3. Step 3: Cross multiply
    383,842.02x = 529,731.38 × 211,793.19
  4. Step 4: Simplify right side
    383,842.02x = 112,193,497,754.34
  5. Step 5: Solve for x
    x = 112,193,497,754.34/383,842.02
  6. Step 6: Final answer
    x = 292,290.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.