Home / 165,682.43-228,628.23-93,081.38

Finding the Fourth Proportional to 165,682.43, 228,628.23 and 93,081.38

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Solution

The fourth proportional to 165,682.43, 228,628.23 and 93,081.38 is: 128,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,682.43 : 228,628.23 = 93,081.38 : x
  2. Step 2: Convert to fraction form
    165,682.43/228,628.23 = 93,081.38/x
  3. Step 3: Cross multiply
    165,682.43x = 228,628.23 × 93,081.38
  4. Step 4: Simplify right side
    165,682.43x = 21,281,031,218.63
  5. Step 5: Solve for x
    x = 21,281,031,218.63/165,682.43
  6. Step 6: Final answer
    x = 128,444.71

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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.