Home / 202,170.85-278,995.77-111,527.03

Finding the Fourth Proportional to 202,170.85, 278,995.77 and 111,527.03

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Solution

The fourth proportional to 202,170.85, 278,995.77 and 111,527.03 is: 153,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,170.85 : 278,995.77 = 111,527.03 : x
  2. Step 2: Convert to fraction form
    202,170.85/278,995.77 = 111,527.03/x
  3. Step 3: Cross multiply
    202,170.85x = 278,995.77 × 111,527.03
  4. Step 4: Simplify right side
    202,170.85x = 31,115,570,308.15
  5. Step 5: Solve for x
    x = 31,115,570,308.15/202,170.85
  6. Step 6: Final answer
    x = 153,907.31

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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.