Home / 165,520.48-228,419.04-90,069.52

Finding the Fourth Proportional to 165,520.48, 228,419.04 and 90,069.52

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Solution

The fourth proportional to 165,520.48, 228,419.04 and 90,069.52 is: 124,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,520.48 : 228,419.04 = 90,069.52 : x
  2. Step 2: Convert to fraction form
    165,520.48/228,419.04 = 90,069.52/x
  3. Step 3: Cross multiply
    165,520.48x = 228,419.04 × 90,069.52
  4. Step 4: Simplify right side
    165,520.48x = 20,573,593,291.66
  5. Step 5: Solve for x
    x = 20,573,593,291.66/165,520.48
  6. Step 6: Final answer
    x = 124,296.36

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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.