Home / 320,922.06-442,879.20-175,733.94

Finding the Fourth Proportional to 320,922.06, 442,879.20 and 175,733.94

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Solution

The fourth proportional to 320,922.06, 442,879.20 and 175,733.94 is: 242,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,922.06 : 442,879.20 = 175,733.94 : x
  2. Step 2: Convert to fraction form
    320,922.06/442,879.20 = 175,733.94/x
  3. Step 3: Cross multiply
    320,922.06x = 442,879.20 × 175,733.94
  4. Step 4: Simplify right side
    320,922.06x = 77,828,906,760.05
  5. Step 5: Solve for x
    x = 77,828,906,760.05/320,922.06
  6. Step 6: Final answer
    x = 242,516.54

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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.