Home / 185,276.52-255,682.38-100,394.16

Finding the Fourth Proportional to 185,276.52, 255,682.38 and 100,394.16

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Solution

The fourth proportional to 185,276.52, 255,682.38 and 100,394.16 is: 138,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,276.52 : 255,682.38 = 100,394.16 : x
  2. Step 2: Convert to fraction form
    185,276.52/255,682.38 = 100,394.16/x
  3. Step 3: Cross multiply
    185,276.52x = 255,682.38 × 100,394.16
  4. Step 4: Simplify right side
    185,276.52x = 25,669,017,766.90
  5. Step 5: Solve for x
    x = 25,669,017,766.90/185,276.52
  6. Step 6: Final answer
    x = 138,544.36

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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.