Home / 321,740.16-444,054.54-178,546.35

Finding the Fourth Proportional to 321,740.16, 444,054.54 and 178,546.35

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Solution

The fourth proportional to 321,740.16, 444,054.54 and 178,546.35 is: 246,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,740.16 : 444,054.54 = 178,546.35 : x
  2. Step 2: Convert to fraction form
    321,740.16/444,054.54 = 178,546.35/x
  3. Step 3: Cross multiply
    321,740.16x = 444,054.54 × 178,546.35
  4. Step 4: Simplify right side
    321,740.16x = 79,284,317,317.93
  5. Step 5: Solve for x
    x = 79,284,317,317.93/321,740.16
  6. Step 6: Final answer
    x = 246,423.44

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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.