Home / 320,613.30-442,453.41-177,383.52

Finding the Fourth Proportional to 320,613.30, 442,453.41 and 177,383.52

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Solution

The fourth proportional to 320,613.30, 442,453.41 and 177,383.52 is: 244,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,613.30 : 442,453.41 = 177,383.52 : x
  2. Step 2: Convert to fraction form
    320,613.30/442,453.41 = 177,383.52/x
  3. Step 3: Cross multiply
    320,613.30x = 442,453.41 × 177,383.52
  4. Step 4: Simplify right side
    320,613.30x = 78,483,943,301.80
  5. Step 5: Solve for x
    x = 78,483,943,301.80/320,613.30
  6. Step 6: Final answer
    x = 244,793.16

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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.