Home / 255,231.05-382,177.71-179,943.57

Finding the Fourth Proportional to 255,231.05, 382,177.71 and 179,943.57

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Solution

The fourth proportional to 255,231.05, 382,177.71 and 179,943.57 is: 269,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,231.05 : 382,177.71 = 179,943.57 : x
  2. Step 2: Convert to fraction form
    255,231.05/382,177.71 = 179,943.57/x
  3. Step 3: Cross multiply
    255,231.05x = 382,177.71 × 179,943.57
  4. Step 4: Simplify right side
    255,231.05x = 68,770,421,511.82
  5. Step 5: Solve for x
    x = 68,770,421,511.82/255,231.05
  6. Step 6: Final answer
    x = 269,443.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.