Home / 127,299.21-190,949.36-43,059.83

Finding the Fourth Proportional to 127,299.21, 190,949.36 and 43,059.83

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Solution

The fourth proportional to 127,299.21, 190,949.36 and 43,059.83 is: 64,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299.21 : 190,949.36 = 43,059.83 : x
  2. Step 2: Convert to fraction form
    127,299.21/190,949.36 = 43,059.83/x
  3. Step 3: Cross multiply
    127,299.21x = 190,949.36 × 43,059.83
  4. Step 4: Simplify right side
    127,299.21x = 8,222,245,810.16
  5. Step 5: Solve for x
    x = 8,222,245,810.16/127,299.21
  6. Step 6: Final answer
    x = 64,589.92

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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.