Home / 167,820.60-251,731.58-67,982.68

Finding the Fourth Proportional to 167,820.60, 251,731.58 and 67,982.68

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Solution

The fourth proportional to 167,820.60, 251,731.58 and 67,982.68 is: 101,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,820.60 : 251,731.58 = 67,982.68 : x
  2. Step 2: Convert to fraction form
    167,820.60/251,731.58 = 67,982.68/x
  3. Step 3: Cross multiply
    167,820.60x = 251,731.58 × 67,982.68
  4. Step 4: Simplify right side
    167,820.60x = 17,113,387,806.19
  5. Step 5: Solve for x
    x = 17,113,387,806.19/167,820.60
  6. Step 6: Final answer
    x = 101,974.30

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1.5x scale

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.