Home / 165,120.15-227,906.64-93,542.37

Finding the Fourth Proportional to 165,120.15, 227,906.64 and 93,542.37

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Solution

The fourth proportional to 165,120.15, 227,906.64 and 93,542.37 is: 129,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120.15 : 227,906.64 = 93,542.37 : x
  2. Step 2: Convert to fraction form
    165,120.15/227,906.64 = 93,542.37/x
  3. Step 3: Cross multiply
    165,120.15x = 227,906.64 × 93,542.37
  4. Step 4: Simplify right side
    165,120.15x = 21,318,927,244.34
  5. Step 5: Solve for x
    x = 21,318,927,244.34/165,120.15
  6. Step 6: Final answer
    x = 129,111.60

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1.5x scale

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.