Home / 165,511.74-228,371.52-105,011.22

Finding the Fourth Proportional to 165,511.74, 228,371.52 and 105,011.22

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Solution

The fourth proportional to 165,511.74, 228,371.52 and 105,011.22 is: 144,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,511.74 : 228,371.52 = 105,011.22 : x
  2. Step 2: Convert to fraction form
    165,511.74/228,371.52 = 105,011.22/x
  3. Step 3: Cross multiply
    165,511.74x = 228,371.52 × 105,011.22
  4. Step 4: Simplify right side
    165,511.74x = 23,981,571,928.45
  5. Step 5: Solve for x
    x = 23,981,571,928.45/165,511.74
  6. Step 6: Final answer
    x = 144,893.48

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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.