Home / 166,755.75-230,122.65-90,274.81

Finding the Fourth Proportional to 166,755.75, 230,122.65 and 90,274.81

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Solution

The fourth proportional to 166,755.75, 230,122.65 and 90,274.81 is: 124,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,755.75 : 230,122.65 = 90,274.81 : x
  2. Step 2: Convert to fraction form
    166,755.75/230,122.65 = 90,274.81/x
  3. Step 3: Cross multiply
    166,755.75x = 230,122.65 × 90,274.81
  4. Step 4: Simplify right side
    166,755.75x = 20,774,278,585.68
  5. Step 5: Solve for x
    x = 20,774,278,585.68/166,755.75
  6. Step 6: Final answer
    x = 124,579.09

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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.