Home / 105,555.96-158,274-93,104.64

Finding the Fourth Proportional to 105,555.96, 158,274 and 93,104.64

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Solution

The fourth proportional to 105,555.96, 158,274 and 93,104.64 is: 139,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,555.96 : 158,274 = 93,104.64 : x
  2. Step 2: Convert to fraction form
    105,555.96/158,274 = 93,104.64/x
  3. Step 3: Cross multiply
    105,555.96x = 158,274 × 93,104.64
  4. Step 4: Simplify right side
    105,555.96x = 14,736,043,791.36
  5. Step 5: Solve for x
    x = 14,736,043,791.36/105,555.96
  6. Step 6: Final answer
    x = 139,604.09

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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.