Home / 115,926.74-159,705.78-108,951.58

Finding the Fourth Proportional to 115,926.74, 159,705.78 and 108,951.58

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Solution

The fourth proportional to 115,926.74, 159,705.78 and 108,951.58 is: 150,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,926.74 : 159,705.78 = 108,951.58 : x
  2. Step 2: Convert to fraction form
    115,926.74/159,705.78 = 108,951.58/x
  3. Step 3: Cross multiply
    115,926.74x = 159,705.78 × 108,951.58
  4. Step 4: Simplify right side
    115,926.74x = 17,400,196,267.60
  5. Step 5: Solve for x
    x = 17,400,196,267.60/115,926.74
  6. Step 6: Final answer
    x = 150,096.49

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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.