Home / 321,186.74-443,225.96-185,226.42

Finding the Fourth Proportional to 321,186.74, 443,225.96 and 185,226.42

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Solution

The fourth proportional to 321,186.74, 443,225.96 and 185,226.42 is: 255,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,186.74 : 443,225.96 = 185,226.42 : x
  2. Step 2: Convert to fraction form
    321,186.74/443,225.96 = 185,226.42/x
  3. Step 3: Cross multiply
    321,186.74x = 443,225.96 × 185,226.42
  4. Step 4: Simplify right side
    321,186.74x = 82,097,157,821.86
  5. Step 5: Solve for x
    x = 82,097,157,821.86/321,186.74
  6. Step 6: Final answer
    x = 255,605.69

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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.