Home / 211,936.40-317,904.60-93,546.80

Finding the Fourth Proportional to 211,936.40, 317,904.60 and 93,546.80

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Solution

The fourth proportional to 211,936.40, 317,904.60 and 93,546.80 is: 140,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,936.40 : 317,904.60 = 93,546.80 : x
  2. Step 2: Convert to fraction form
    211,936.40/317,904.60 = 93,546.80/x
  3. Step 3: Cross multiply
    211,936.40x = 317,904.60 × 93,546.80
  4. Step 4: Simplify right side
    211,936.40x = 29,738,958,035.28
  5. Step 5: Solve for x
    x = 29,738,958,035.28/211,936.40
  6. Step 6: Final answer
    x = 140,320.20

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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.