Home / 165,729.40-228,708.13-94,111.02

Finding the Fourth Proportional to 165,729.40, 228,708.13 and 94,111.02

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Solution

The fourth proportional to 165,729.40, 228,708.13 and 94,111.02 is: 129,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,729.40 : 228,708.13 = 94,111.02 : x
  2. Step 2: Convert to fraction form
    165,729.40/228,708.13 = 94,111.02/x
  3. Step 3: Cross multiply
    165,729.40x = 228,708.13 × 94,111.02
  4. Step 4: Simplify right side
    165,729.40x = 21,523,955,396.59
  5. Step 5: Solve for x
    x = 21,523,955,396.59/165,729.40
  6. Step 6: Final answer
    x = 129,874.09

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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.