Home / 320,352.06-442,094.76-177,121.33

Finding the Fourth Proportional to 320,352.06, 442,094.76 and 177,121.33

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Solution

The fourth proportional to 320,352.06, 442,094.76 and 177,121.33 is: 244,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,352.06 : 442,094.76 = 177,121.33 : x
  2. Step 2: Convert to fraction form
    320,352.06/442,094.76 = 177,121.33/x
  3. Step 3: Cross multiply
    320,352.06x = 442,094.76 × 177,121.33
  4. Step 4: Simplify right side
    320,352.06x = 78,304,413,258.78
  5. Step 5: Solve for x
    x = 78,304,413,258.78/320,352.06
  6. Step 6: Final answer
    x = 244,432.37

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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.