Home / 127,259.24-190,889.30-43,020.09

Finding the Fourth Proportional to 127,259.24, 190,889.30 and 43,020.09

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Solution

The fourth proportional to 127,259.24, 190,889.30 and 43,020.09 is: 64,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,259.24 : 190,889.30 = 43,020.09 : x
  2. Step 2: Convert to fraction form
    127,259.24/190,889.30 = 43,020.09/x
  3. Step 3: Cross multiply
    127,259.24x = 190,889.30 × 43,020.09
  4. Step 4: Simplify right side
    127,259.24x = 8,212,074,973.59
  5. Step 5: Solve for x
    x = 8,212,074,973.59/127,259.24
  6. Step 6: Final answer
    x = 64,530.29

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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.