Home / 263,476.71-395,277.93-85,984.05

Finding the Fourth Proportional to 263,476.71, 395,277.93 and 85,984.05

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Solution

The fourth proportional to 263,476.71, 395,277.93 and 85,984.05 is: 128,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,476.71 : 395,277.93 = 85,984.05 : x
  2. Step 2: Convert to fraction form
    263,476.71/395,277.93 = 85,984.05/x
  3. Step 3: Cross multiply
    263,476.71x = 395,277.93 × 85,984.05
  4. Step 4: Simplify right side
    263,476.71x = 33,987,597,297.02
  5. Step 5: Solve for x
    x = 33,987,597,297.02/263,476.71
  6. Step 6: Final answer
    x = 128,996.59

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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.