Home / 298,550.14-448,009.75-121,058.69

Finding the Fourth Proportional to 298,550.14, 448,009.75 and 121,058.69

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Solution

The fourth proportional to 298,550.14, 448,009.75 and 121,058.69 is: 181,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,550.14 : 448,009.75 = 121,058.69 : x
  2. Step 2: Convert to fraction form
    298,550.14/448,009.75 = 121,058.69/x
  3. Step 3: Cross multiply
    298,550.14x = 448,009.75 × 121,058.69
  4. Step 4: Simplify right side
    298,550.14x = 54,235,471,353.50
  5. Step 5: Solve for x
    x = 54,235,471,353.50/298,550.14
  6. Step 6: Final answer
    x = 181,662.86

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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.