Home / 168,055.18-251,899.37-82,724.76

Finding the Fourth Proportional to 168,055.18, 251,899.37 and 82,724.76

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Solution

The fourth proportional to 168,055.18, 251,899.37 and 82,724.76 is: 123,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,055.18 : 251,899.37 = 82,724.76 : x
  2. Step 2: Convert to fraction form
    168,055.18/251,899.37 = 82,724.76/x
  3. Step 3: Cross multiply
    168,055.18x = 251,899.37 × 82,724.76
  4. Step 4: Simplify right side
    168,055.18x = 20,838,314,824.00
  5. Step 5: Solve for x
    x = 20,838,314,824.00/168,055.18
  6. Step 6: Final answer
    x = 123,996.86

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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.