Home / 127,262.68-190,896.75-38,516.04

Finding the Fourth Proportional to 127,262.68, 190,896.75 and 38,516.04

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Solution

The fourth proportional to 127,262.68, 190,896.75 and 38,516.04 is: 57,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,262.68 : 190,896.75 = 38,516.04 : x
  2. Step 2: Convert to fraction form
    127,262.68/190,896.75 = 38,516.04/x
  3. Step 3: Cross multiply
    127,262.68x = 190,896.75 × 38,516.04
  4. Step 4: Simplify right side
    127,262.68x = 7,352,586,858.87
  5. Step 5: Solve for x
    x = 7,352,586,858.87/127,262.68
  6. Step 6: Final answer
    x = 57,774.89

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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.