Home / 286,883.40-395,871.39-166,000.62

Finding the Fourth Proportional to 286,883.40, 395,871.39 and 166,000.62

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Solution

The fourth proportional to 286,883.40, 395,871.39 and 166,000.62 is: 229,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,883.40 : 395,871.39 = 166,000.62 : x
  2. Step 2: Convert to fraction form
    286,883.40/395,871.39 = 166,000.62/x
  3. Step 3: Cross multiply
    286,883.40x = 395,871.39 × 166,000.62
  4. Step 4: Simplify right side
    286,883.40x = 65,714,896,180.26
  5. Step 5: Solve for x
    x = 65,714,896,180.26/286,883.40
  6. Step 6: Final answer
    x = 229,064.83

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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.