Home / 165,503.28-228,393.48-90,052.08

Finding the Fourth Proportional to 165,503.28, 228,393.48 and 90,052.08

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Solution

The fourth proportional to 165,503.28, 228,393.48 and 90,052.08 is: 124,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,503.28 : 228,393.48 = 90,052.08 : x
  2. Step 2: Convert to fraction form
    165,503.28/228,393.48 = 90,052.08/x
  3. Step 3: Cross multiply
    165,503.28x = 228,393.48 × 90,052.08
  4. Step 4: Simplify right side
    165,503.28x = 20,567,307,932.44
  5. Step 5: Solve for x
    x = 20,567,307,932.44/165,503.28
  6. Step 6: Final answer
    x = 124,271.30

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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.