Home / 135,323.49-186,659.32-92,905.41

Finding the Fourth Proportional to 135,323.49, 186,659.32 and 92,905.41

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Solution

The fourth proportional to 135,323.49, 186,659.32 and 92,905.41 is: 128,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,323.49 : 186,659.32 = 92,905.41 : x
  2. Step 2: Convert to fraction form
    135,323.49/186,659.32 = 92,905.41/x
  3. Step 3: Cross multiply
    135,323.49x = 186,659.32 × 92,905.41
  4. Step 4: Simplify right side
    135,323.49x = 17,341,660,654.92
  5. Step 5: Solve for x
    x = 17,341,660,654.92/135,323.49
  6. Step 6: Final answer
    x = 128,149.67

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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.