Home / 168,868.33-232,936.77-111,508.18

Finding the Fourth Proportional to 168,868.33, 232,936.77 and 111,508.18

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Solution

The fourth proportional to 168,868.33, 232,936.77 and 111,508.18 is: 153,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,868.33 : 232,936.77 = 111,508.18 : x
  2. Step 2: Convert to fraction form
    168,868.33/232,936.77 = 111,508.18/x
  3. Step 3: Cross multiply
    168,868.33x = 232,936.77 × 111,508.18
  4. Step 4: Simplify right side
    168,868.33x = 25,974,355,277.78
  5. Step 5: Solve for x
    x = 25,974,355,277.78/168,868.33
  6. Step 6: Final answer
    x = 153,814.25

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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.