Home / 115,875.44-172,944.41-108,308.62

Finding the Fourth Proportional to 115,875.44, 172,944.41 and 108,308.62

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Solution

The fourth proportional to 115,875.44, 172,944.41 and 108,308.62 is: 161,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,875.44 : 172,944.41 = 108,308.62 : x
  2. Step 2: Convert to fraction form
    115,875.44/172,944.41 = 108,308.62/x
  3. Step 3: Cross multiply
    115,875.44x = 172,944.41 × 108,308.62
  4. Step 4: Simplify right side
    115,875.44x = 18,731,370,383.81
  5. Step 5: Solve for x
    x = 18,731,370,383.81/115,875.44
  6. Step 6: Final answer
    x = 161,650.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.