Home / 168,147.54-232,138.65-111,636.18

Finding the Fourth Proportional to 168,147.54, 232,138.65 and 111,636.18

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Solution

The fourth proportional to 168,147.54, 232,138.65 and 111,636.18 is: 154,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,147.54 : 232,138.65 = 111,636.18 : x
  2. Step 2: Convert to fraction form
    168,147.54/232,138.65 = 111,636.18/x
  3. Step 3: Cross multiply
    168,147.54x = 232,138.65 × 111,636.18
  4. Step 4: Simplify right side
    168,147.54x = 25,915,072,116.36
  5. Step 5: Solve for x
    x = 25,915,072,116.36/168,147.54
  6. Step 6: Final answer
    x = 154,121.03

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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.