Home / 353,290.91-529,923.87-100,572.75

Finding the Fourth Proportional to 353,290.91, 529,923.87 and 100,572.75

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Solution

The fourth proportional to 353,290.91, 529,923.87 and 100,572.75 is: 150,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,290.91 : 529,923.87 = 100,572.75 : x
  2. Step 2: Convert to fraction form
    353,290.91/529,923.87 = 100,572.75/x
  3. Step 3: Cross multiply
    353,290.91x = 529,923.87 × 100,572.75
  4. Step 4: Simplify right side
    353,290.91x = 53,295,900,896.54
  5. Step 5: Solve for x
    x = 53,295,900,896.54/353,290.91
  6. Step 6: Final answer
    x = 150,855.57

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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.