Home / 299,570.07-449,364.33-131,003.63

Finding the Fourth Proportional to 299,570.07, 449,364.33 and 131,003.63

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Solution

The fourth proportional to 299,570.07, 449,364.33 and 131,003.63 is: 196,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,570.07 : 449,364.33 = 131,003.63 : x
  2. Step 2: Convert to fraction form
    299,570.07/449,364.33 = 131,003.63/x
  3. Step 3: Cross multiply
    299,570.07x = 449,364.33 × 131,003.63
  4. Step 4: Simplify right side
    299,570.07x = 58,868,358,422.52
  5. Step 5: Solve for x
    x = 58,868,358,422.52/299,570.07
  6. Step 6: Final answer
    x = 196,509.48

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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.