Home / 169,939.82-234,511.91-93,458.81

Finding the Fourth Proportional to 169,939.82, 234,511.91 and 93,458.81

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Solution

The fourth proportional to 169,939.82, 234,511.91 and 93,458.81 is: 128,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,939.82 : 234,511.91 = 93,458.81 : x
  2. Step 2: Convert to fraction form
    169,939.82/234,511.91 = 93,458.81/x
  3. Step 3: Cross multiply
    169,939.82x = 234,511.91 × 93,458.81
  4. Step 4: Simplify right side
    169,939.82x = 21,917,204,508.88
  5. Step 5: Solve for x
    x = 21,917,204,508.88/169,939.82
  6. Step 6: Final answer
    x = 128,970.39

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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.