Home / 209,002.16-313,497.77-74,064.26

Finding the Fourth Proportional to 209,002.16, 313,497.77 and 74,064.26

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Solution

The fourth proportional to 209,002.16, 313,497.77 and 74,064.26 is: 111,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,002.16 : 313,497.77 = 74,064.26 : x
  2. Step 2: Convert to fraction form
    209,002.16/313,497.77 = 74,064.26/x
  3. Step 3: Cross multiply
    209,002.16x = 313,497.77 × 74,064.26
  4. Step 4: Simplify right side
    209,002.16x = 23,218,978,408.89
  5. Step 5: Solve for x
    x = 23,218,978,408.89/209,002.16
  6. Step 6: Final answer
    x = 111,094.44

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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.