Home / 165,519.88-228,422.58-90,073.48

Finding the Fourth Proportional to 165,519.88, 228,422.58 and 90,073.48

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Solution

The fourth proportional to 165,519.88, 228,422.58 and 90,073.48 is: 124,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,519.88 : 228,422.58 = 90,073.48 : x
  2. Step 2: Convert to fraction form
    165,519.88/228,422.58 = 90,073.48/x
  3. Step 3: Cross multiply
    165,519.88x = 228,422.58 × 90,073.48
  4. Step 4: Simplify right side
    165,519.88x = 20,574,816,691.18
  5. Step 5: Solve for x
    x = 20,574,816,691.18/165,519.88
  6. Step 6: Final answer
    x = 124,304.20

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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.