Home / 281,499.06-422,190.27-103,884.69

Finding the Fourth Proportional to 281,499.06, 422,190.27 and 103,884.69

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Solution

The fourth proportional to 281,499.06, 422,190.27 and 103,884.69 is: 155,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,499.06 : 422,190.27 = 103,884.69 : x
  2. Step 2: Convert to fraction form
    281,499.06/422,190.27 = 103,884.69/x
  3. Step 3: Cross multiply
    281,499.06x = 422,190.27 × 103,884.69
  4. Step 4: Simplify right side
    281,499.06x = 43,859,105,319.97
  5. Step 5: Solve for x
    x = 43,859,105,319.97/281,499.06
  6. Step 6: Final answer
    x = 155,805.51

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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.