Home / 293,564.03-405,120.44-159,428.03

Finding the Fourth Proportional to 293,564.03, 405,120.44 and 159,428.03

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Solution

The fourth proportional to 293,564.03, 405,120.44 and 159,428.03 is: 220,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,564.03 : 405,120.44 = 159,428.03 : x
  2. Step 2: Convert to fraction form
    293,564.03/405,120.44 = 159,428.03/x
  3. Step 3: Cross multiply
    293,564.03x = 405,120.44 × 159,428.03
  4. Step 4: Simplify right side
    293,564.03x = 64,587,553,661.93
  5. Step 5: Solve for x
    x = 64,587,553,661.93/293,564.03
  6. Step 6: Final answer
    x = 220,011.81

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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.