Home / 165,516.08-228,409.08-90,062.96

Finding the Fourth Proportional to 165,516.08, 228,409.08 and 90,062.96

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Solution

The fourth proportional to 165,516.08, 228,409.08 and 90,062.96 is: 124,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,516.08 : 228,409.08 = 90,062.96 : x
  2. Step 2: Convert to fraction form
    165,516.08/228,409.08 = 90,062.96/x
  3. Step 3: Cross multiply
    165,516.08x = 228,409.08 × 90,062.96
  4. Step 4: Simplify right side
    165,516.08x = 20,571,197,835.68
  5. Step 5: Solve for x
    x = 20,571,197,835.68/165,516.08
  6. Step 6: Final answer
    x = 124,285.19

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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.