Home / 168,110.70-251,944.65-123,528.30

Finding the Fourth Proportional to 168,110.70, 251,944.65 and 123,528.30

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Solution

The fourth proportional to 168,110.70, 251,944.65 and 123,528.30 is: 185,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,110.70 : 251,944.65 = 123,528.30 : x
  2. Step 2: Convert to fraction form
    168,110.70/251,944.65 = 123,528.30/x
  3. Step 3: Cross multiply
    168,110.70x = 251,944.65 × 123,528.30
  4. Step 4: Simplify right side
    168,110.70x = 31,122,294,308.60
  5. Step 5: Solve for x
    x = 31,122,294,308.60/168,110.70
  6. Step 6: Final answer
    x = 185,129.76

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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.