Home / 293,669.40-440,619.30-106,699.80

Finding the Fourth Proportional to 293,669.40, 440,619.30 and 106,699.80

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Solution

The fourth proportional to 293,669.40, 440,619.30 and 106,699.80 is: 160,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,669.40 : 440,619.30 = 106,699.80 : x
  2. Step 2: Convert to fraction form
    293,669.40/440,619.30 = 106,699.80/x
  3. Step 3: Cross multiply
    293,669.40x = 440,619.30 × 106,699.80
  4. Step 4: Simplify right side
    293,669.40x = 47,013,991,186.14
  5. Step 5: Solve for x
    x = 47,013,991,186.14/293,669.40
  6. Step 6: Final answer
    x = 160,091.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.