Home / 174,768.36-261,588.69-90,412.37

Finding the Fourth Proportional to 174,768.36, 261,588.69 and 90,412.37

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Solution

The fourth proportional to 174,768.36, 261,588.69 and 90,412.37 is: 135,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,768.36 : 261,588.69 = 90,412.37 : x
  2. Step 2: Convert to fraction form
    174,768.36/261,588.69 = 90,412.37/x
  3. Step 3: Cross multiply
    174,768.36x = 261,588.69 × 90,412.37
  4. Step 4: Simplify right side
    174,768.36x = 23,650,852,120.15
  5. Step 5: Solve for x
    x = 23,650,852,120.15/174,768.36
  6. Step 6: Final answer
    x = 135,326.85

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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.