Home / 294,018.72-405,736.20-164,949.36

Finding the Fourth Proportional to 294,018.72, 405,736.20 and 164,949.36

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Solution

The fourth proportional to 294,018.72, 405,736.20 and 164,949.36 is: 227,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,018.72 : 405,736.20 = 164,949.36 : x
  2. Step 2: Convert to fraction form
    294,018.72/405,736.20 = 164,949.36/x
  3. Step 3: Cross multiply
    294,018.72x = 405,736.20 × 164,949.36
  4. Step 4: Simplify right side
    294,018.72x = 66,925,926,518.83
  5. Step 5: Solve for x
    x = 66,925,926,518.83/294,018.72
  6. Step 6: Final answer
    x = 227,624.71

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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.