Home / 291,824.78-402,649.68-177,100.73

Finding the Fourth Proportional to 291,824.78, 402,649.68 and 177,100.73

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Solution

The fourth proportional to 291,824.78, 402,649.68 and 177,100.73 is: 244,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,824.78 : 402,649.68 = 177,100.73 : x
  2. Step 2: Convert to fraction form
    291,824.78/402,649.68 = 177,100.73/x
  3. Step 3: Cross multiply
    291,824.78x = 402,649.68 × 177,100.73
  4. Step 4: Simplify right side
    291,824.78x = 71,309,552,423.08
  5. Step 5: Solve for x
    x = 71,309,552,423.08/291,824.78
  6. Step 6: Final answer
    x = 244,357.43

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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.