Home / 136,298.08-204,382.44-47,540.80

Finding the Fourth Proportional to 136,298.08, 204,382.44 and 47,540.80

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Solution

The fourth proportional to 136,298.08, 204,382.44 and 47,540.80 is: 71,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,298.08 : 204,382.44 = 47,540.80 : x
  2. Step 2: Convert to fraction form
    136,298.08/204,382.44 = 47,540.80/x
  3. Step 3: Cross multiply
    136,298.08x = 204,382.44 × 47,540.80
  4. Step 4: Simplify right side
    136,298.08x = 9,716,504,703.55
  5. Step 5: Solve for x
    x = 9,716,504,703.55/136,298.08
  6. Step 6: Final answer
    x = 71,288.64

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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.