Home / 211,623.84-317,399.04-69,467.04

Finding the Fourth Proportional to 211,623.84, 317,399.04 and 69,467.04

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Solution

The fourth proportional to 211,623.84, 317,399.04 and 69,467.04 is: 104,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,623.84 : 317,399.04 = 69,467.04 : x
  2. Step 2: Convert to fraction form
    211,623.84/317,399.04 = 69,467.04/x
  3. Step 3: Cross multiply
    211,623.84x = 317,399.04 × 69,467.04
  4. Step 4: Simplify right side
    211,623.84x = 22,048,771,807.64
  5. Step 5: Solve for x
    x = 22,048,771,807.64/211,623.84
  6. Step 6: Final answer
    x = 104,188.51

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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.