Home / 127,296.81-190,945.80-38,551.14

Finding the Fourth Proportional to 127,296.81, 190,945.80 and 38,551.14

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Solution

The fourth proportional to 127,296.81, 190,945.80 and 38,551.14 is: 57,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,296.81 : 190,945.80 = 38,551.14 : x
  2. Step 2: Convert to fraction form
    127,296.81/190,945.80 = 38,551.14/x
  3. Step 3: Cross multiply
    127,296.81x = 190,945.80 × 38,551.14
  4. Step 4: Simplify right side
    127,296.81x = 7,361,178,268.21
  5. Step 5: Solve for x
    x = 7,361,178,268.21/127,296.81
  6. Step 6: Final answer
    x = 57,826.89

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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.