Home / 263,559.83-395,427.23-86,072.63

Finding the Fourth Proportional to 263,559.83, 395,427.23 and 86,072.63

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Solution

The fourth proportional to 263,559.83, 395,427.23 and 86,072.63 is: 129,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,559.83 : 395,427.23 = 86,072.63 : x
  2. Step 2: Convert to fraction form
    263,559.83/395,427.23 = 86,072.63/x
  3. Step 3: Cross multiply
    263,559.83x = 395,427.23 × 86,072.63
  4. Step 4: Simplify right side
    263,559.83x = 34,035,461,229.35
  5. Step 5: Solve for x
    x = 34,035,461,229.35/263,559.83
  6. Step 6: Final answer
    x = 129,137.51

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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.