Home / 193,355.36-266,829.78-107,327.36

Finding the Fourth Proportional to 193,355.36, 266,829.78 and 107,327.36

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Solution

The fourth proportional to 193,355.36, 266,829.78 and 107,327.36 is: 148,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,355.36 : 266,829.78 = 107,327.36 : x
  2. Step 2: Convert to fraction form
    193,355.36/266,829.78 = 107,327.36/x
  3. Step 3: Cross multiply
    193,355.36x = 266,829.78 × 107,327.36
  4. Step 4: Simplify right side
    193,355.36x = 28,638,135,856.78
  5. Step 5: Solve for x
    x = 28,638,135,856.78/193,355.36
  6. Step 6: Final answer
    x = 148,111.41

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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.