Home / 185,117.08-255,488.83-108,678.33

Finding the Fourth Proportional to 185,117.08, 255,488.83 and 108,678.33

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Solution

The fourth proportional to 185,117.08, 255,488.83 and 108,678.33 is: 149,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,117.08 : 255,488.83 = 108,678.33 : x
  2. Step 2: Convert to fraction form
    185,117.08/255,488.83 = 108,678.33/x
  3. Step 3: Cross multiply
    185,117.08x = 255,488.83 × 108,678.33
  4. Step 4: Simplify right side
    185,117.08x = 27,766,100,436.24
  5. Step 5: Solve for x
    x = 27,766,100,436.24/185,117.08
  6. Step 6: Final answer
    x = 149,992.11

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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.