Home / 262,519.05-393,841.31-85,026.27

Finding the Fourth Proportional to 262,519.05, 393,841.31 and 85,026.27

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Solution

The fourth proportional to 262,519.05, 393,841.31 and 85,026.27 is: 127,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,519.05 : 393,841.31 = 85,026.27 : x
  2. Step 2: Convert to fraction form
    262,519.05/393,841.31 = 85,026.27/x
  3. Step 3: Cross multiply
    262,519.05x = 393,841.31 × 85,026.27
  4. Step 4: Simplify right side
    262,519.05x = 33,486,857,136.08
  5. Step 5: Solve for x
    x = 33,486,857,136.08/262,519.05
  6. Step 6: Final answer
    x = 127,559.72

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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.