Home / 165,271.64-228,074.76-89,820.12

Finding the Fourth Proportional to 165,271.64, 228,074.76 and 89,820.12

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Solution

The fourth proportional to 165,271.64, 228,074.76 and 89,820.12 is: 123,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271.64 : 228,074.76 = 89,820.12 : x
  2. Step 2: Convert to fraction form
    165,271.64/228,074.76 = 89,820.12/x
  3. Step 3: Cross multiply
    165,271.64x = 228,074.76 × 89,820.12
  4. Step 4: Simplify right side
    165,271.64x = 20,485,702,312.17
  5. Step 5: Solve for x
    x = 20,485,702,312.17/165,271.64
  6. Step 6: Final answer
    x = 123,951.71

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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.