Home / 193,144.88-289,719.48-127,001.36

Finding the Fourth Proportional to 193,144.88, 289,719.48 and 127,001.36

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Solution

The fourth proportional to 193,144.88, 289,719.48 and 127,001.36 is: 190,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,144.88 : 289,719.48 = 127,001.36 : x
  2. Step 2: Convert to fraction form
    193,144.88/289,719.48 = 127,001.36/x
  3. Step 3: Cross multiply
    193,144.88x = 289,719.48 × 127,001.36
  4. Step 4: Simplify right side
    193,144.88x = 36,794,767,978.49
  5. Step 5: Solve for x
    x = 36,794,767,978.49/193,144.88
  6. Step 6: Final answer
    x = 190,503.46

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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.