Home / 211,194.21-317,690.30-191,441.89

Finding the Fourth Proportional to 211,194.21, 317,690.30 and 191,441.89

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Solution

The fourth proportional to 211,194.21, 317,690.30 and 191,441.89 is: 287,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,194.21 : 317,690.30 = 191,441.89 : x
  2. Step 2: Convert to fraction form
    211,194.21/317,690.30 = 191,441.89/x
  3. Step 3: Cross multiply
    211,194.21x = 317,690.30 × 191,441.89
  4. Step 4: Simplify right side
    211,194.21x = 60,819,230,509.46
  5. Step 5: Solve for x
    x = 60,819,230,509.46/211,194.21
  6. Step 6: Final answer
    x = 287,977.74

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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.