Home / 165,639.49-228,574.38-94,018.48

Finding the Fourth Proportional to 165,639.49, 228,574.38 and 94,018.48

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Solution

The fourth proportional to 165,639.49, 228,574.38 and 94,018.48 is: 129,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,639.49 : 228,574.38 = 94,018.48 : x
  2. Step 2: Convert to fraction form
    165,639.49/228,574.38 = 94,018.48/x
  3. Step 3: Cross multiply
    165,639.49x = 228,574.38 × 94,018.48
  4. Step 4: Simplify right side
    165,639.49x = 21,490,215,774.54
  5. Step 5: Solve for x
    x = 21,490,215,774.54/165,639.49
  6. Step 6: Final answer
    x = 129,740.90

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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.