Home / 286,025.12-394,899.52-177,244.88

Finding the Fourth Proportional to 286,025.12, 394,899.52 and 177,244.88

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Solution

The fourth proportional to 286,025.12, 394,899.52 and 177,244.88 is: 244,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,025.12 : 394,899.52 = 177,244.88 : x
  2. Step 2: Convert to fraction form
    286,025.12/394,899.52 = 177,244.88/x
  3. Step 3: Cross multiply
    286,025.12x = 394,899.52 × 177,244.88
  4. Step 4: Simplify right side
    286,025.12x = 69,993,918,034.46
  5. Step 5: Solve for x
    x = 69,993,918,034.46/286,025.12
  6. Step 6: Final answer
    x = 244,712.49

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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.