Home / 165,411.92-228,194.76-111,680.72

Finding the Fourth Proportional to 165,411.92, 228,194.76 and 111,680.72

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Solution

The fourth proportional to 165,411.92, 228,194.76 and 111,680.72 is: 154,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,411.92 : 228,194.76 = 111,680.72 : x
  2. Step 2: Convert to fraction form
    165,411.92/228,194.76 = 111,680.72/x
  3. Step 3: Cross multiply
    165,411.92x = 228,194.76 × 111,680.72
  4. Step 4: Simplify right side
    165,411.92x = 25,484,955,097.03
  5. Step 5: Solve for x
    x = 25,484,955,097.03/165,411.92
  6. Step 6: Final answer
    x = 154,069.64

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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.