Home / 155,734.14-214,449.46-144,430.86

Finding the Fourth Proportional to 155,734.14, 214,449.46 and 144,430.86

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Solution

The fourth proportional to 155,734.14, 214,449.46 and 144,430.86 is: 198,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,734.14 : 214,449.46 = 144,430.86 : x
  2. Step 2: Convert to fraction form
    155,734.14/214,449.46 = 144,430.86/x
  3. Step 3: Cross multiply
    155,734.14x = 214,449.46 × 144,430.86
  4. Step 4: Simplify right side
    155,734.14x = 30,973,120,377.44
  5. Step 5: Solve for x
    x = 30,973,120,377.44/155,734.14
  6. Step 6: Final answer
    x = 198,884.58

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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.