Home / 285,913.04-394,607.25-158,629.64

Finding the Fourth Proportional to 285,913.04, 394,607.25 and 158,629.64

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Solution

The fourth proportional to 285,913.04, 394,607.25 and 158,629.64 is: 218,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,913.04 : 394,607.25 = 158,629.64 : x
  2. Step 2: Convert to fraction form
    285,913.04/394,607.25 = 158,629.64/x
  3. Step 3: Cross multiply
    285,913.04x = 394,607.25 × 158,629.64
  4. Step 4: Simplify right side
    285,913.04x = 62,596,404,035.85
  5. Step 5: Solve for x
    x = 62,596,404,035.85/285,913.04
  6. Step 6: Final answer
    x = 218,935.12

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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.