Home / 164,705.05-247,098.75-76,020.58

Finding the Fourth Proportional to 164,705.05, 247,098.75 and 76,020.58

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Solution

The fourth proportional to 164,705.05, 247,098.75 and 76,020.58 is: 114,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,705.05 : 247,098.75 = 76,020.58 : x
  2. Step 2: Convert to fraction form
    164,705.05/247,098.75 = 76,020.58/x
  3. Step 3: Cross multiply
    164,705.05x = 247,098.75 × 76,020.58
  4. Step 4: Simplify right side
    164,705.05x = 18,784,590,292.28
  5. Step 5: Solve for x
    x = 18,784,590,292.28/164,705.05
  6. Step 6: Final answer
    x = 114,049.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.