Home / 165,924.25-228,993.01-101,431.24

Finding the Fourth Proportional to 165,924.25, 228,993.01 and 101,431.24

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Solution

The fourth proportional to 165,924.25, 228,993.01 and 101,431.24 is: 139,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,924.25 : 228,993.01 = 101,431.24 : x
  2. Step 2: Convert to fraction form
    165,924.25/228,993.01 = 101,431.24/x
  3. Step 3: Cross multiply
    165,924.25x = 228,993.01 × 101,431.24
  4. Step 4: Simplify right side
    165,924.25x = 23,227,044,129.57
  5. Step 5: Solve for x
    x = 23,227,044,129.57/165,924.25
  6. Step 6: Final answer
    x = 139,985.83

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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.