Home / 285,927.10-394,576.56-158,599.42

Finding the Fourth Proportional to 285,927.10, 394,576.56 and 158,599.42

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Solution

The fourth proportional to 285,927.10, 394,576.56 and 158,599.42 is: 218,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,927.10 : 394,576.56 = 158,599.42 : x
  2. Step 2: Convert to fraction form
    285,927.10/394,576.56 = 158,599.42/x
  3. Step 3: Cross multiply
    285,927.10x = 394,576.56 × 158,599.42
  4. Step 4: Simplify right side
    285,927.10x = 62,579,613,561.60
  5. Step 5: Solve for x
    x = 62,579,613,561.60/285,927.10
  6. Step 6: Final answer
    x = 218,865.63

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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.