Home / 201,849.08-278,573.46-111,214.16

Finding the Fourth Proportional to 201,849.08, 278,573.46 and 111,214.16

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Solution

The fourth proportional to 201,849.08, 278,573.46 and 111,214.16 is: 153,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,849.08 : 278,573.46 = 111,214.16 : x
  2. Step 2: Convert to fraction form
    201,849.08/278,573.46 = 111,214.16/x
  3. Step 3: Cross multiply
    201,849.08x = 278,573.46 × 111,214.16
  4. Step 4: Simplify right side
    201,849.08x = 30,981,313,352.19
  5. Step 5: Solve for x
    x = 30,981,313,352.19/201,849.08
  6. Step 6: Final answer
    x = 153,487.51

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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.