Home / 192,085.29-265,078.35-111,516.21

Finding the Fourth Proportional to 192,085.29, 265,078.35 and 111,516.21

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Solution

The fourth proportional to 192,085.29, 265,078.35 and 111,516.21 is: 153,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,085.29 : 265,078.35 = 111,516.21 : x
  2. Step 2: Convert to fraction form
    192,085.29/265,078.35 = 111,516.21/x
  3. Step 3: Cross multiply
    192,085.29x = 265,078.35 × 111,516.21
  4. Step 4: Simplify right side
    192,085.29x = 29,560,532,945.05
  5. Step 5: Solve for x
    x = 29,560,532,945.05/192,085.29
  6. Step 6: Final answer
    x = 153,892.75

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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.