Home / 137,177.97-189,241.64-88,795.47

Finding the Fourth Proportional to 137,177.97, 189,241.64 and 88,795.47

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Solution

The fourth proportional to 137,177.97, 189,241.64 and 88,795.47 is: 122,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,177.97 : 189,241.64 = 88,795.47 : x
  2. Step 2: Convert to fraction form
    137,177.97/189,241.64 = 88,795.47/x
  3. Step 3: Cross multiply
    137,177.97x = 189,241.64 × 88,795.47
  4. Step 4: Simplify right side
    137,177.97x = 16,803,799,923.39
  5. Step 5: Solve for x
    x = 16,803,799,923.39/137,177.97
  6. Step 6: Final answer
    x = 122,496.34

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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.