Home / 127,342.08-190,947.51-57,161.25

Finding the Fourth Proportional to 127,342.08, 190,947.51 and 57,161.25

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Solution

The fourth proportional to 127,342.08, 190,947.51 and 57,161.25 is: 85,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,342.08 : 190,947.51 = 57,161.25 : x
  2. Step 2: Convert to fraction form
    127,342.08/190,947.51 = 57,161.25/x
  3. Step 3: Cross multiply
    127,342.08x = 190,947.51 × 57,161.25
  4. Step 4: Simplify right side
    127,342.08x = 10,914,798,355.99
  5. Step 5: Solve for x
    x = 10,914,798,355.99/127,342.08
  6. Step 6: Final answer
    x = 85,712.42

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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.