Home / 100,830.45-151,245.68-41,708.55

Finding the Fourth Proportional to 100,830.45, 151,245.68 and 41,708.55

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Solution

The fourth proportional to 100,830.45, 151,245.68 and 41,708.55 is: 62,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.45 : 151,245.68 = 41,708.55 : x
  2. Step 2: Convert to fraction form
    100,830.45/151,245.68 = 41,708.55/x
  3. Step 3: Cross multiply
    100,830.45x = 151,245.68 × 41,708.55
  4. Step 4: Simplify right side
    100,830.45x = 6,308,237,798.02
  5. Step 5: Solve for x
    x = 6,308,237,798.02/100,830.45
  6. Step 6: Final answer
    x = 62,562.83

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1.5x scale

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.