Home / 110,540.09-152,436.94-70,183.79

Finding the Fourth Proportional to 110,540.09, 152,436.94 and 70,183.79

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Solution

The fourth proportional to 110,540.09, 152,436.94 and 70,183.79 is: 96,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,540.09 : 152,436.94 = 70,183.79 : x
  2. Step 2: Convert to fraction form
    110,540.09/152,436.94 = 70,183.79/x
  3. Step 3: Cross multiply
    110,540.09x = 152,436.94 × 70,183.79
  4. Step 4: Simplify right side
    110,540.09x = 10,698,601,423.02
  5. Step 5: Solve for x
    x = 10,698,601,423.02/110,540.09
  6. Step 6: Final answer
    x = 96,784.81

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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.