Home / 135,928.76-187,363.48-92,307.60

Finding the Fourth Proportional to 135,928.76, 187,363.48 and 92,307.60

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Solution

The fourth proportional to 135,928.76, 187,363.48 and 92,307.60 is: 127,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,928.76 : 187,363.48 = 92,307.60 : x
  2. Step 2: Convert to fraction form
    135,928.76/187,363.48 = 92,307.60/x
  3. Step 3: Cross multiply
    135,928.76x = 187,363.48 × 92,307.60
  4. Step 4: Simplify right side
    135,928.76x = 17,295,073,166.45
  5. Step 5: Solve for x
    x = 17,295,073,166.45/135,928.76
  6. Step 6: Final answer
    x = 127,236.31

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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.