Home / 263,563.34-395,383.64-83,588.74

Finding the Fourth Proportional to 263,563.34, 395,383.64 and 83,588.74

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Solution

The fourth proportional to 263,563.34, 395,383.64 and 83,588.74 is: 125,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,563.34 : 395,383.64 = 83,588.74 : x
  2. Step 2: Convert to fraction form
    263,563.34/395,383.64 = 83,588.74/x
  3. Step 3: Cross multiply
    263,563.34x = 395,383.64 × 83,588.74
  4. Step 4: Simplify right side
    263,563.34x = 33,049,618,877.81
  5. Step 5: Solve for x
    x = 33,049,618,877.81/263,563.34
  6. Step 6: Final answer
    x = 125,395.36

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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.