Home / 127,208.21-175,498.92-75,513.89

Finding the Fourth Proportional to 127,208.21, 175,498.92 and 75,513.89

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Solution

The fourth proportional to 127,208.21, 175,498.92 and 75,513.89 is: 104,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,208.21 : 175,498.92 = 75,513.89 : x
  2. Step 2: Convert to fraction form
    127,208.21/175,498.92 = 75,513.89/x
  3. Step 3: Cross multiply
    127,208.21x = 175,498.92 × 75,513.89
  4. Step 4: Simplify right side
    127,208.21x = 13,252,606,578.75
  5. Step 5: Solve for x
    x = 13,252,606,578.75/127,208.21
  6. Step 6: Final answer
    x = 104,180.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.