Home / 285,466.28-393,721.70-194,895.24

Finding the Fourth Proportional to 285,466.28, 393,721.70 and 194,895.24

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Solution

The fourth proportional to 285,466.28, 393,721.70 and 194,895.24 is: 268,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,466.28 : 393,721.70 = 194,895.24 : x
  2. Step 2: Convert to fraction form
    285,466.28/393,721.70 = 194,895.24/x
  3. Step 3: Cross multiply
    285,466.28x = 393,721.70 × 194,895.24
  4. Step 4: Simplify right side
    285,466.28x = 76,734,485,214.71
  5. Step 5: Solve for x
    x = 76,734,485,214.71/285,466.28
  6. Step 6: Final answer
    x = 268,804.03

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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.