Home / 165,539.81-228,429.11-92,926.05

Finding the Fourth Proportional to 165,539.81, 228,429.11 and 92,926.05

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Solution

The fourth proportional to 165,539.81, 228,429.11 and 92,926.05 is: 128,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,539.81 : 228,429.11 = 92,926.05 : x
  2. Step 2: Convert to fraction form
    165,539.81/228,429.11 = 92,926.05/x
  3. Step 3: Cross multiply
    165,539.81x = 228,429.11 × 92,926.05
  4. Step 4: Simplify right side
    165,539.81x = 21,227,014,432.69
  5. Step 5: Solve for x
    x = 21,227,014,432.69/165,539.81
  6. Step 6: Final answer
    x = 128,229.07

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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.