Home / 211,840.14-317,759.88-54,068.58

Finding the Fourth Proportional to 211,840.14, 317,759.88 and 54,068.58

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Solution

The fourth proportional to 211,840.14, 317,759.88 and 54,068.58 is: 81,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,840.14 : 317,759.88 = 54,068.58 : x
  2. Step 2: Convert to fraction form
    211,840.14/317,759.88 = 54,068.58/x
  3. Step 3: Cross multiply
    211,840.14x = 317,759.88 × 54,068.58
  4. Step 4: Simplify right side
    211,840.14x = 17,180,825,492.57
  5. Step 5: Solve for x
    x = 17,180,825,492.57/211,840.14
  6. Step 6: Final answer
    x = 81,102.79

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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.