Home / 165,477.43-228,351.65-91,885.28

Finding the Fourth Proportional to 165,477.43, 228,351.65 and 91,885.28

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Solution

The fourth proportional to 165,477.43, 228,351.65 and 91,885.28 is: 126,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,477.43 : 228,351.65 = 91,885.28 : x
  2. Step 2: Convert to fraction form
    165,477.43/228,351.65 = 91,885.28/x
  3. Step 3: Cross multiply
    165,477.43x = 228,351.65 × 91,885.28
  4. Step 4: Simplify right side
    165,477.43x = 20,982,155,298.71
  5. Step 5: Solve for x
    x = 20,982,155,298.71/165,477.43
  6. Step 6: Final answer
    x = 126,797.69

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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.