Home / 293,621.81-405,213.96-164,601.72

Finding the Fourth Proportional to 293,621.81, 405,213.96 and 164,601.72

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Solution

The fourth proportional to 293,621.81, 405,213.96 and 164,601.72 is: 227,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,621.81 : 405,213.96 = 164,601.72 : x
  2. Step 2: Convert to fraction form
    293,621.81/405,213.96 = 164,601.72/x
  3. Step 3: Cross multiply
    293,621.81x = 405,213.96 × 164,601.72
  4. Step 4: Simplify right side
    293,621.81x = 66,698,914,784.01
  5. Step 5: Solve for x
    x = 66,698,914,784.01/293,621.81
  6. Step 6: Final answer
    x = 227,159.27

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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.