Home / 286,054.90-394,832.34-178,560.20

Finding the Fourth Proportional to 286,054.90, 394,832.34 and 178,560.20

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Solution

The fourth proportional to 286,054.90, 394,832.34 and 178,560.20 is: 246,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,054.90 : 394,832.34 = 178,560.20 : x
  2. Step 2: Convert to fraction form
    286,054.90/394,832.34 = 178,560.20/x
  3. Step 3: Cross multiply
    286,054.90x = 394,832.34 × 178,560.20
  4. Step 4: Simplify right side
    286,054.90x = 70,501,342,583.95
  5. Step 5: Solve for x
    x = 70,501,342,583.95/286,054.90
  6. Step 6: Final answer
    x = 246,460.88

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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.