Home / 165,321.03-228,145.53-92,740.02

Finding the Fourth Proportional to 165,321.03, 228,145.53 and 92,740.02

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Solution

The fourth proportional to 165,321.03, 228,145.53 and 92,740.02 is: 127,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,321.03 : 228,145.53 = 92,740.02 : x
  2. Step 2: Convert to fraction form
    165,321.03/228,145.53 = 92,740.02/x
  3. Step 3: Cross multiply
    165,321.03x = 228,145.53 × 92,740.02
  4. Step 4: Simplify right side
    165,321.03x = 21,158,221,015.11
  5. Step 5: Solve for x
    x = 21,158,221,015.11/165,321.03
  6. Step 6: Final answer
    x = 127,982.63

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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.