Home / 185,069.05-255,394.14-100,185.50

Finding the Fourth Proportional to 185,069.05, 255,394.14 and 100,185.50

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Solution

The fourth proportional to 185,069.05, 255,394.14 and 100,185.50 is: 138,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,069.05 : 255,394.14 = 100,185.50 : x
  2. Step 2: Convert to fraction form
    185,069.05/255,394.14 = 100,185.50/x
  3. Step 3: Cross multiply
    185,069.05x = 255,394.14 × 100,185.50
  4. Step 4: Simplify right side
    185,069.05x = 25,586,789,612.97
  5. Step 5: Solve for x
    x = 25,586,789,612.97/185,069.05
  6. Step 6: Final answer
    x = 138,255.37

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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.