Home / 168,627.56-253,066.05-79,881.26

Finding the Fourth Proportional to 168,627.56, 253,066.05 and 79,881.26

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Solution

The fourth proportional to 168,627.56, 253,066.05 and 79,881.26 is: 119,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,627.56 : 253,066.05 = 79,881.26 : x
  2. Step 2: Convert to fraction form
    168,627.56/253,066.05 = 79,881.26/x
  3. Step 3: Cross multiply
    168,627.56x = 253,066.05 × 79,881.26
  4. Step 4: Simplify right side
    168,627.56x = 20,215,233,671.89
  5. Step 5: Solve for x
    x = 20,215,233,671.89/168,627.56
  6. Step 6: Final answer
    x = 119,880.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.