Home / 168,938.45-233,097.86-100,945.25

Finding the Fourth Proportional to 168,938.45, 233,097.86 and 100,945.25

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Solution

The fourth proportional to 168,938.45, 233,097.86 and 100,945.25 is: 139,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,938.45 : 233,097.86 = 100,945.25 : x
  2. Step 2: Convert to fraction form
    168,938.45/233,097.86 = 100,945.25/x
  3. Step 3: Cross multiply
    168,938.45x = 233,097.86 × 100,945.25
  4. Step 4: Simplify right side
    168,938.45x = 23,530,121,247.44
  5. Step 5: Solve for x
    x = 23,530,121,247.44/168,938.45
  6. Step 6: Final answer
    x = 139,282.21

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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.