Home / 288,554.84-398,198.04-161,231.48

Finding the Fourth Proportional to 288,554.84, 398,198.04 and 161,231.48

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Solution

The fourth proportional to 288,554.84, 398,198.04 and 161,231.48 is: 222,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,554.84 : 398,198.04 = 161,231.48 : x
  2. Step 2: Convert to fraction form
    288,554.84/398,198.04 = 161,231.48/x
  3. Step 3: Cross multiply
    288,554.84x = 398,198.04 × 161,231.48
  4. Step 4: Simplify right side
    288,554.84x = 64,202,059,322.30
  5. Step 5: Solve for x
    x = 64,202,059,322.30/288,554.84
  6. Step 6: Final answer
    x = 222,495.17

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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.