Home / 127,257.45-190,886.67-43,018.26

Finding the Fourth Proportional to 127,257.45, 190,886.67 and 43,018.26

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Solution

The fourth proportional to 127,257.45, 190,886.67 and 43,018.26 is: 64,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,257.45 : 190,886.67 = 43,018.26 : x
  2. Step 2: Convert to fraction form
    127,257.45/190,886.67 = 43,018.26/x
  3. Step 3: Cross multiply
    127,257.45x = 190,886.67 × 43,018.26
  4. Step 4: Simplify right side
    127,257.45x = 8,211,612,400.59
  5. Step 5: Solve for x
    x = 8,211,612,400.59/127,257.45
  6. Step 6: Final answer
    x = 64,527.56

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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.