Home / 201,832.28-278,535.48-111,194.36

Finding the Fourth Proportional to 201,832.28, 278,535.48 and 111,194.36

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Solution

The fourth proportional to 201,832.28, 278,535.48 and 111,194.36 is: 153,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,832.28 : 278,535.48 = 111,194.36 : x
  2. Step 2: Convert to fraction form
    201,832.28/278,535.48 = 111,194.36/x
  3. Step 3: Cross multiply
    201,832.28x = 278,535.48 × 111,194.36
  4. Step 4: Simplify right side
    201,832.28x = 30,971,574,435.89
  5. Step 5: Solve for x
    x = 30,971,574,435.89/201,832.28
  6. Step 6: Final answer
    x = 153,452.04

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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.