Home / 147,515.26-203,573.48-80,447.26

Finding the Fourth Proportional to 147,515.26, 203,573.48 and 80,447.26

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Solution

The fourth proportional to 147,515.26, 203,573.48 and 80,447.26 is: 111,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,515.26 : 203,573.48 = 80,447.26 : x
  2. Step 2: Convert to fraction form
    147,515.26/203,573.48 = 80,447.26/x
  3. Step 3: Cross multiply
    147,515.26x = 203,573.48 × 80,447.26
  4. Step 4: Simplify right side
    147,515.26x = 16,376,928,674.66
  5. Step 5: Solve for x
    x = 16,376,928,674.66/147,515.26
  6. Step 6: Final answer
    x = 111,018.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.