Home / 423,168.24-634,749.62-107,622.42

Finding the Fourth Proportional to 423,168.24, 634,749.62 and 107,622.42

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Solution

The fourth proportional to 423,168.24, 634,749.62 and 107,622.42 is: 161,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,168.24 : 634,749.62 = 107,622.42 : x
  2. Step 2: Convert to fraction form
    423,168.24/634,749.62 = 107,622.42/x
  3. Step 3: Cross multiply
    423,168.24x = 634,749.62 × 107,622.42
  4. Step 4: Simplify right side
    423,168.24x = 68,313,290,198.48
  5. Step 5: Solve for x
    x = 68,313,290,198.48/423,168.24
  6. Step 6: Final answer
    x = 161,432.93

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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.