Home / 321,748.49-444,024.78-194,399.48

Finding the Fourth Proportional to 321,748.49, 444,024.78 and 194,399.48

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Solution

The fourth proportional to 321,748.49, 444,024.78 and 194,399.48 is: 268,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,748.49 : 444,024.78 = 194,399.48 : x
  2. Step 2: Convert to fraction form
    321,748.49/444,024.78 = 194,399.48/x
  3. Step 3: Cross multiply
    321,748.49x = 444,024.78 × 194,399.48
  4. Step 4: Simplify right side
    321,748.49x = 86,318,186,339.11
  5. Step 5: Solve for x
    x = 86,318,186,339.11/321,748.49
  6. Step 6: Final answer
    x = 268,278.45

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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.