Home / 185,133.08-277,642.22-66,789.05

Finding the Fourth Proportional to 185,133.08, 277,642.22 and 66,789.05

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Solution

The fourth proportional to 185,133.08, 277,642.22 and 66,789.05 is: 100,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,133.08 : 277,642.22 = 66,789.05 : x
  2. Step 2: Convert to fraction form
    185,133.08/277,642.22 = 66,789.05/x
  3. Step 3: Cross multiply
    185,133.08x = 277,642.22 × 66,789.05
  4. Step 4: Simplify right side
    185,133.08x = 18,543,458,391.53
  5. Step 5: Solve for x
    x = 18,543,458,391.53/185,133.08
  6. Step 6: Final answer
    x = 100,162.86

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1.5x scale

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.