Home / 321,261.36-443,333.08-185,295.56

Finding the Fourth Proportional to 321,261.36, 443,333.08 and 185,295.56

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Solution

The fourth proportional to 321,261.36, 443,333.08 and 185,295.56 is: 255,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,261.36 : 443,333.08 = 185,295.56 : x
  2. Step 2: Convert to fraction form
    321,261.36/443,333.08 = 185,295.56/x
  3. Step 3: Cross multiply
    321,261.36x = 443,333.08 × 185,295.56
  4. Step 4: Simplify right side
    321,261.36x = 82,147,651,325.12
  5. Step 5: Solve for x
    x = 82,147,651,325.12/321,261.36
  6. Step 6: Final answer
    x = 255,703.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.