Home / 211,375.67-317,074.64-53,605.49

Finding the Fourth Proportional to 211,375.67, 317,074.64 and 53,605.49

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Solution

The fourth proportional to 211,375.67, 317,074.64 and 53,605.49 is: 80,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,375.67 : 317,074.64 = 53,605.49 : x
  2. Step 2: Convert to fraction form
    211,375.67/317,074.64 = 53,605.49/x
  3. Step 3: Cross multiply
    211,375.67x = 317,074.64 × 53,605.49
  4. Step 4: Simplify right side
    211,375.67x = 16,996,941,443.77
  5. Step 5: Solve for x
    x = 16,996,941,443.77/211,375.67
  6. Step 6: Final answer
    x = 80,411.06

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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.