Home / 165,646.34-228,318.99-117,185.66

Finding the Fourth Proportional to 165,646.34, 228,318.99 and 117,185.66

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Solution

The fourth proportional to 165,646.34, 228,318.99 and 117,185.66 is: 161,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,646.34 : 228,318.99 = 117,185.66 : x
  2. Step 2: Convert to fraction form
    165,646.34/228,318.99 = 117,185.66/x
  3. Step 3: Cross multiply
    165,646.34x = 228,318.99 × 117,185.66
  4. Step 4: Simplify right side
    165,646.34x = 26,755,710,392.09
  5. Step 5: Solve for x
    x = 26,755,710,392.09/165,646.34
  6. Step 6: Final answer
    x = 161,523.11

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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.