Home / 286,043.16-394,575.48-178,426.32

Finding the Fourth Proportional to 286,043.16, 394,575.48 and 178,426.32

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Solution

The fourth proportional to 286,043.16, 394,575.48 and 178,426.32 is: 246,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,043.16 : 394,575.48 = 178,426.32 : x
  2. Step 2: Convert to fraction form
    286,043.16/394,575.48 = 178,426.32/x
  3. Step 3: Cross multiply
    286,043.16x = 394,575.48 × 178,426.32
  4. Step 4: Simplify right side
    286,043.16x = 70,402,650,858.63
  5. Step 5: Solve for x
    x = 70,402,650,858.63/286,043.16
  6. Step 6: Final answer
    x = 246,125.97

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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.