Home / 212,515.64-318,699.04-62,716.26

Finding the Fourth Proportional to 212,515.64, 318,699.04 and 62,716.26

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Solution

The fourth proportional to 212,515.64, 318,699.04 and 62,716.26 is: 94,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,515.64 : 318,699.04 = 62,716.26 : x
  2. Step 2: Convert to fraction form
    212,515.64/318,699.04 = 62,716.26/x
  3. Step 3: Cross multiply
    212,515.64x = 318,699.04 × 62,716.26
  4. Step 4: Simplify right side
    212,515.64x = 19,987,611,854.39
  5. Step 5: Solve for x
    x = 19,987,611,854.39/212,515.64
  6. Step 6: Final answer
    x = 94,052.43

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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.