Home / 165,768.20-248,069.10-151,771.40

Finding the Fourth Proportional to 165,768.20, 248,069.10 and 151,771.40

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Solution

The fourth proportional to 165,768.20, 248,069.10 and 151,771.40 is: 227,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,768.20 : 248,069.10 = 151,771.40 : x
  2. Step 2: Convert to fraction form
    165,768.20/248,069.10 = 151,771.40/x
  3. Step 3: Cross multiply
    165,768.20x = 248,069.10 × 151,771.40
  4. Step 4: Simplify right side
    165,768.20x = 37,649,794,603.74
  5. Step 5: Solve for x
    x = 37,649,794,603.74/165,768.20
  6. Step 6: Final answer
    x = 227,123.14

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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.