Home / 168,921.66-233,010.58-111,561.09

Finding the Fourth Proportional to 168,921.66, 233,010.58 and 111,561.09

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Solution

The fourth proportional to 168,921.66, 233,010.58 and 111,561.09 is: 153,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,921.66 : 233,010.58 = 111,561.09 : x
  2. Step 2: Convert to fraction form
    168,921.66/233,010.58 = 111,561.09/x
  3. Step 3: Cross multiply
    168,921.66x = 233,010.58 × 111,561.09
  4. Step 4: Simplify right side
    168,921.66x = 25,994,914,921.09
  5. Step 5: Solve for x
    x = 25,994,914,921.09/168,921.66
  6. Step 6: Final answer
    x = 153,887.40

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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.