Home / 285,191.42-393,605.62-164,309.18

Finding the Fourth Proportional to 285,191.42, 393,605.62 and 164,309.18

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Solution

The fourth proportional to 285,191.42, 393,605.62 and 164,309.18 is: 226,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,191.42 : 393,605.62 = 164,309.18 : x
  2. Step 2: Convert to fraction form
    285,191.42/393,605.62 = 164,309.18/x
  3. Step 3: Cross multiply
    285,191.42x = 393,605.62 × 164,309.18
  4. Step 4: Simplify right side
    285,191.42x = 64,673,016,665.59
  5. Step 5: Solve for x
    x = 64,673,016,665.59/285,191.42
  6. Step 6: Final answer
    x = 226,770.56

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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.