Home / 122,183.72-168,606.58-71,204.75

Finding the Fourth Proportional to 122,183.72, 168,606.58 and 71,204.75

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Solution

The fourth proportional to 122,183.72, 168,606.58 and 71,204.75 is: 98,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,183.72 : 168,606.58 = 71,204.75 : x
  2. Step 2: Convert to fraction form
    122,183.72/168,606.58 = 71,204.75/x
  3. Step 3: Cross multiply
    122,183.72x = 168,606.58 × 71,204.75
  4. Step 4: Simplify right side
    122,183.72x = 12,005,588,347.39
  5. Step 5: Solve for x
    x = 12,005,588,347.39/122,183.72
  6. Step 6: Final answer
    x = 98,258.50

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1.5x scale

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.