Home / 283,067.30-390,588.40-162,185.33

Finding the Fourth Proportional to 283,067.30, 390,588.40 and 162,185.33

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Solution

The fourth proportional to 283,067.30, 390,588.40 and 162,185.33 is: 223,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,067.30 : 390,588.40 = 162,185.33 : x
  2. Step 2: Convert to fraction form
    283,067.30/390,588.40 = 162,185.33/x
  3. Step 3: Cross multiply
    283,067.30x = 390,588.40 × 162,185.33
  4. Step 4: Simplify right side
    283,067.30x = 63,347,708,548.17
  5. Step 5: Solve for x
    x = 63,347,708,548.17/283,067.30
  6. Step 6: Final answer
    x = 223,790.27

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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.