Home / 211,416.35-317,120.27-51,493.19

Finding the Fourth Proportional to 211,416.35, 317,120.27 and 51,493.19

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Solution

The fourth proportional to 211,416.35, 317,120.27 and 51,493.19 is: 77,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,416.35 : 317,120.27 = 51,493.19 : x
  2. Step 2: Convert to fraction form
    211,416.35/317,120.27 = 51,493.19/x
  3. Step 3: Cross multiply
    211,416.35x = 317,120.27 × 51,493.19
  4. Step 4: Simplify right side
    211,416.35x = 16,329,532,472.89
  5. Step 5: Solve for x
    x = 16,329,532,472.89/211,416.35
  6. Step 6: Final answer
    x = 77,238.74

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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.