Home / 211,519.35-317,560.60-122,836.50

Finding the Fourth Proportional to 211,519.35, 317,560.60 and 122,836.50

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Solution

The fourth proportional to 211,519.35, 317,560.60 and 122,836.50 is: 184,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,519.35 : 317,560.60 = 122,836.50 : x
  2. Step 2: Convert to fraction form
    211,519.35/317,560.60 = 122,836.50/x
  3. Step 3: Cross multiply
    211,519.35x = 317,560.60 × 122,836.50
  4. Step 4: Simplify right side
    211,519.35x = 39,008,032,795.45
  5. Step 5: Solve for x
    x = 39,008,032,795.45/211,519.35
  6. Step 6: Final answer
    x = 184,418.27

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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.