Home / 383,837.80-529,697.08-214,082.86

Finding the Fourth Proportional to 383,837.80, 529,697.08 and 214,082.86

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Solution

The fourth proportional to 383,837.80, 529,697.08 and 214,082.86 is: 295,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,837.80 : 529,697.08 = 214,082.86 : x
  2. Step 2: Convert to fraction form
    383,837.80/529,697.08 = 214,082.86/x
  3. Step 3: Cross multiply
    383,837.80x = 529,697.08 × 214,082.86
  4. Step 4: Simplify right side
    383,837.80x = 113,399,065,820.05
  5. Step 5: Solve for x
    x = 113,399,065,820.05/383,837.80
  6. Step 6: Final answer
    x = 295,434.86

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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.