Home / 185,341.26-255,771.21-100,458.30

Finding the Fourth Proportional to 185,341.26, 255,771.21 and 100,458.30

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Solution

The fourth proportional to 185,341.26, 255,771.21 and 100,458.30 is: 138,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,341.26 : 255,771.21 = 100,458.30 : x
  2. Step 2: Convert to fraction form
    185,341.26/255,771.21 = 100,458.30/x
  3. Step 3: Cross multiply
    185,341.26x = 255,771.21 × 100,458.30
  4. Step 4: Simplify right side
    185,341.26x = 25,694,340,945.54
  5. Step 5: Solve for x
    x = 25,694,340,945.54/185,341.26
  6. Step 6: Final answer
    x = 138,632.60

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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.