Home / 211,434.30-317,163.60-61,697.70

Finding the Fourth Proportional to 211,434.30, 317,163.60 and 61,697.70

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Solution

The fourth proportional to 211,434.30, 317,163.60 and 61,697.70 is: 92,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,434.30 : 317,163.60 = 61,697.70 : x
  2. Step 2: Convert to fraction form
    211,434.30/317,163.60 = 61,697.70/x
  3. Step 3: Cross multiply
    211,434.30x = 317,163.60 × 61,697.70
  4. Step 4: Simplify right side
    211,434.30x = 19,568,264,643.72
  5. Step 5: Solve for x
    x = 19,568,264,643.72/211,434.30
  6. Step 6: Final answer
    x = 92,550.10

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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.