Home / 185,351.03-255,784.53-100,468.09

Finding the Fourth Proportional to 185,351.03, 255,784.53 and 100,468.09

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Solution

The fourth proportional to 185,351.03, 255,784.53 and 100,468.09 is: 138,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,351.03 : 255,784.53 = 100,468.09 : x
  2. Step 2: Convert to fraction form
    185,351.03/255,784.53 = 100,468.09/x
  3. Step 3: Cross multiply
    185,351.03x = 255,784.53 × 100,468.09
  4. Step 4: Simplify right side
    185,351.03x = 25,698,183,180.65
  5. Step 5: Solve for x
    x = 25,698,183,180.65/185,351.03
  6. Step 6: Final answer
    x = 138,646.02

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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.