Home / 104,811.21-157,133.78-97,669.97

Finding the Fourth Proportional to 104,811.21, 157,133.78 and 97,669.97

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Solution

The fourth proportional to 104,811.21, 157,133.78 and 97,669.97 is: 146,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,811.21 : 157,133.78 = 97,669.97 : x
  2. Step 2: Convert to fraction form
    104,811.21/157,133.78 = 97,669.97/x
  3. Step 3: Cross multiply
    104,811.21x = 157,133.78 × 97,669.97
  4. Step 4: Simplify right side
    104,811.21x = 15,347,251,578.59
  5. Step 5: Solve for x
    x = 15,347,251,578.59/104,811.21
  6. Step 6: Final answer
    x = 146,427.58

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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.