Home / 185,128.08-277,634.72-66,784.04

Finding the Fourth Proportional to 185,128.08, 277,634.72 and 66,784.04

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Solution

The fourth proportional to 185,128.08, 277,634.72 and 66,784.04 is: 100,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,128.08 : 277,634.72 = 66,784.04 : x
  2. Step 2: Convert to fraction form
    185,128.08/277,634.72 = 66,784.04/x
  3. Step 3: Cross multiply
    185,128.08x = 277,634.72 × 66,784.04
  4. Step 4: Simplify right side
    185,128.08x = 18,541,568,245.87
  5. Step 5: Solve for x
    x = 18,541,568,245.87/185,128.08
  6. Step 6: Final answer
    x = 100,155.35

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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.