Home / 142,480.92-196,538.01-94,083.29

Finding the Fourth Proportional to 142,480.92, 196,538.01 and 94,083.29

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Solution

The fourth proportional to 142,480.92, 196,538.01 and 94,083.29 is: 129,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,480.92 : 196,538.01 = 94,083.29 : x
  2. Step 2: Convert to fraction form
    142,480.92/196,538.01 = 94,083.29/x
  3. Step 3: Cross multiply
    142,480.92x = 196,538.01 × 94,083.29
  4. Step 4: Simplify right side
    142,480.92x = 18,490,942,729.39
  5. Step 5: Solve for x
    x = 18,490,942,729.39/142,480.92
  6. Step 6: Final answer
    x = 129,778.38

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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.