Home / 131,039.88-196,443.46-51,059.32

Finding the Fourth Proportional to 131,039.88, 196,443.46 and 51,059.32

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Solution

The fourth proportional to 131,039.88, 196,443.46 and 51,059.32 is: 76,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,039.88 : 196,443.46 = 51,059.32 : x
  2. Step 2: Convert to fraction form
    131,039.88/196,443.46 = 51,059.32/x
  3. Step 3: Cross multiply
    131,039.88x = 196,443.46 × 51,059.32
  4. Step 4: Simplify right side
    131,039.88x = 10,030,269,486.05
  5. Step 5: Solve for x
    x = 10,030,269,486.05/131,039.88
  6. Step 6: Final answer
    x = 76,543.64

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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.