Home / 211,634.37-317,450.68-76,666.84

Finding the Fourth Proportional to 211,634.37, 317,450.68 and 76,666.84

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Solution

The fourth proportional to 211,634.37, 317,450.68 and 76,666.84 is: 114,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,634.37 : 317,450.68 = 76,666.84 : x
  2. Step 2: Convert to fraction form
    211,634.37/317,450.68 = 76,666.84/x
  3. Step 3: Cross multiply
    211,634.37x = 317,450.68 × 76,666.84
  4. Step 4: Simplify right side
    211,634.37x = 24,337,939,506.16
  5. Step 5: Solve for x
    x = 24,337,939,506.16/211,634.37
  6. Step 6: Final answer
    x = 114,999.94

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1.5x scale

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.