Home / 168,438.38-232,435.01-91,942.28

Finding the Fourth Proportional to 168,438.38, 232,435.01 and 91,942.28

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Solution

The fourth proportional to 168,438.38, 232,435.01 and 91,942.28 is: 126,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,438.38 : 232,435.01 = 91,942.28 : x
  2. Step 2: Convert to fraction form
    168,438.38/232,435.01 = 91,942.28/x
  3. Step 3: Cross multiply
    168,438.38x = 232,435.01 × 91,942.28
  4. Step 4: Simplify right side
    168,438.38x = 21,370,603,149.34
  5. Step 5: Solve for x
    x = 21,370,603,149.34/168,438.38
  6. Step 6: Final answer
    x = 126,874.91

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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.