Home / 165,916.16-228,966.64-90,464.64

Finding the Fourth Proportional to 165,916.16, 228,966.64 and 90,464.64

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Solution

The fourth proportional to 165,916.16, 228,966.64 and 90,464.64 is: 124,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,916.16 : 228,966.64 = 90,464.64 : x
  2. Step 2: Convert to fraction form
    165,916.16/228,966.64 = 90,464.64/x
  3. Step 3: Cross multiply
    165,916.16x = 228,966.64 × 90,464.64
  4. Step 4: Simplify right side
    165,916.16x = 20,713,384,659.61
  5. Step 5: Solve for x
    x = 20,713,384,659.61/165,916.16
  6. Step 6: Final answer
    x = 124,842.48

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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.