Home / 294,035.04-405,618.78-192,120.16

Finding the Fourth Proportional to 294,035.04, 405,618.78 and 192,120.16

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Solution

The fourth proportional to 294,035.04, 405,618.78 and 192,120.16 is: 265,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,035.04 : 405,618.78 = 192,120.16 : x
  2. Step 2: Convert to fraction form
    294,035.04/405,618.78 = 192,120.16/x
  3. Step 3: Cross multiply
    294,035.04x = 405,618.78 × 192,120.16
  4. Step 4: Simplify right side
    294,035.04x = 77,927,544,912.60
  5. Step 5: Solve for x
    x = 77,927,544,912.60/294,035.04
  6. Step 6: Final answer
    x = 265,028.09

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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.