Home / 165,064.86-228,954.88-160,689.81

Finding the Fourth Proportional to 165,064.86, 228,954.88 and 160,689.81

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Solution

The fourth proportional to 165,064.86, 228,954.88 and 160,689.81 is: 222,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,064.86 : 228,954.88 = 160,689.81 : x
  2. Step 2: Convert to fraction form
    165,064.86/228,954.88 = 160,689.81/x
  3. Step 3: Cross multiply
    165,064.86x = 228,954.88 × 160,689.81
  4. Step 4: Simplify right side
    165,064.86x = 36,790,716,165.77
  5. Step 5: Solve for x
    x = 36,790,716,165.77/165,064.86
  6. Step 6: Final answer
    x = 222,886.42

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.