Home / 130,912.97-196,187.72-59,661.50

Finding the Fourth Proportional to 130,912.97, 196,187.72 and 59,661.50

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Solution

The fourth proportional to 130,912.97, 196,187.72 and 59,661.50 is: 89,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,912.97 : 196,187.72 = 59,661.50 : x
  2. Step 2: Convert to fraction form
    130,912.97/196,187.72 = 59,661.50/x
  3. Step 3: Cross multiply
    130,912.97x = 196,187.72 × 59,661.50
  4. Step 4: Simplify right side
    130,912.97x = 11,704,852,377.53
  5. Step 5: Solve for x
    x = 11,704,852,377.53/130,912.97
  6. Step 6: Final answer
    x = 89,409.42

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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.