Home / 127,259.46-190,889.68-43,020.26

Finding the Fourth Proportional to 127,259.46, 190,889.68 and 43,020.26

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Solution

The fourth proportional to 127,259.46, 190,889.68 and 43,020.26 is: 64,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,259.46 : 190,889.68 = 43,020.26 : x
  2. Step 2: Convert to fraction form
    127,259.46/190,889.68 = 43,020.26/x
  3. Step 3: Cross multiply
    127,259.46x = 190,889.68 × 43,020.26
  4. Step 4: Simplify right side
    127,259.46x = 8,212,123,664.92
  5. Step 5: Solve for x
    x = 8,212,123,664.92/127,259.46
  6. Step 6: Final answer
    x = 64,530.56

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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.