Home / 320,789.44-442,673.64-182,973.82

Finding the Fourth Proportional to 320,789.44, 442,673.64 and 182,973.82

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Solution

The fourth proportional to 320,789.44, 442,673.64 and 182,973.82 is: 252,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,789.44 : 442,673.64 = 182,973.82 : x
  2. Step 2: Convert to fraction form
    320,789.44/442,673.64 = 182,973.82/x
  3. Step 3: Cross multiply
    320,789.44x = 442,673.64 × 182,973.82
  4. Step 4: Simplify right side
    320,789.44x = 80,997,686,924.10
  5. Step 5: Solve for x
    x = 80,997,686,924.10/320,789.44
  6. Step 6: Final answer
    x = 252,494.87

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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.