Home / 165,245.10-228,037.63-93,638.81

Finding the Fourth Proportional to 165,245.10, 228,037.63 and 93,638.81

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Solution

The fourth proportional to 165,245.10, 228,037.63 and 93,638.81 is: 129,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,245.10 : 228,037.63 = 93,638.81 : x
  2. Step 2: Convert to fraction form
    165,245.10/228,037.63 = 93,638.81/x
  3. Step 3: Cross multiply
    165,245.10x = 228,037.63 × 93,638.81
  4. Step 4: Simplify right side
    165,245.10x = 21,353,172,308.42
  5. Step 5: Solve for x
    x = 21,353,172,308.42/165,245.10
  6. Step 6: Final answer
    x = 129,221.21

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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.