Home / 165,417.94-228,276.28-91,841.60

Finding the Fourth Proportional to 165,417.94, 228,276.28 and 91,841.60

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Solution

The fourth proportional to 165,417.94, 228,276.28 and 91,841.60 is: 126,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,417.94 : 228,276.28 = 91,841.60 : x
  2. Step 2: Convert to fraction form
    165,417.94/228,276.28 = 91,841.60/x
  3. Step 3: Cross multiply
    165,417.94x = 228,276.28 × 91,841.60
  4. Step 4: Simplify right side
    165,417.94x = 20,965,257,682.08
  5. Step 5: Solve for x
    x = 20,965,257,682.08/165,417.94
  6. Step 6: Final answer
    x = 126,741.14

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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.