Home / 136,014.14-187,687.56-75,580.95

Finding the Fourth Proportional to 136,014.14, 187,687.56 and 75,580.95

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Solution

The fourth proportional to 136,014.14, 187,687.56 and 75,580.95 is: 104,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,014.14 : 187,687.56 = 75,580.95 : x
  2. Step 2: Convert to fraction form
    136,014.14/187,687.56 = 75,580.95/x
  3. Step 3: Cross multiply
    136,014.14x = 187,687.56 × 75,580.95
  4. Step 4: Simplify right side
    136,014.14x = 14,185,604,087.98
  5. Step 5: Solve for x
    x = 14,185,604,087.98/136,014.14
  6. Step 6: Final answer
    x = 104,295.07

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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.