Home / 383,081.40-574,682.85-116,780.94

Finding the Fourth Proportional to 383,081.40, 574,682.85 and 116,780.94

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Solution

The fourth proportional to 383,081.40, 574,682.85 and 116,780.94 is: 175,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,081.40 : 574,682.85 = 116,780.94 : x
  2. Step 2: Convert to fraction form
    383,081.40/574,682.85 = 116,780.94/x
  3. Step 3: Cross multiply
    383,081.40x = 574,682.85 × 116,780.94
  4. Step 4: Simplify right side
    383,081.40x = 67,112,003,424.88
  5. Step 5: Solve for x
    x = 67,112,003,424.88/383,081.40
  6. Step 6: Final answer
    x = 175,189.93

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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.