Home / 165,901.68-228,934.45-94,271.76

Finding the Fourth Proportional to 165,901.68, 228,934.45 and 94,271.76

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Solution

The fourth proportional to 165,901.68, 228,934.45 and 94,271.76 is: 130,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,901.68 : 228,934.45 = 94,271.76 : x
  2. Step 2: Convert to fraction form
    165,901.68/228,934.45 = 94,271.76/x
  3. Step 3: Cross multiply
    165,901.68x = 228,934.45 × 94,271.76
  4. Step 4: Simplify right side
    165,901.68x = 21,582,052,145.78
  5. Step 5: Solve for x
    x = 21,582,052,145.78/165,901.68
  6. Step 6: Final answer
    x = 130,089.42

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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.