Home / 226,622.60-339,923.10-76,848.20

Finding the Fourth Proportional to 226,622.60, 339,923.10 and 76,848.20

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Solution

The fourth proportional to 226,622.60, 339,923.10 and 76,848.20 is: 115,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,622.60 : 339,923.10 = 76,848.20 : x
  2. Step 2: Convert to fraction form
    226,622.60/339,923.10 = 76,848.20/x
  3. Step 3: Cross multiply
    226,622.60x = 339,923.10 × 76,848.20
  4. Step 4: Simplify right side
    226,622.60x = 26,122,478,373.42
  5. Step 5: Solve for x
    x = 26,122,478,373.42/226,622.60
  6. Step 6: Final answer
    x = 115,268.64

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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.