Home / 106,198.58-146,533.80-67,928.81

Finding the Fourth Proportional to 106,198.58, 146,533.80 and 67,928.81

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Solution

The fourth proportional to 106,198.58, 146,533.80 and 67,928.81 is: 93,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,198.58 : 146,533.80 = 67,928.81 : x
  2. Step 2: Convert to fraction form
    106,198.58/146,533.80 = 67,928.81/x
  3. Step 3: Cross multiply
    106,198.58x = 146,533.80 × 67,928.81
  4. Step 4: Simplify right side
    106,198.58x = 9,953,865,926.11
  5. Step 5: Solve for x
    x = 9,953,865,926.11/106,198.58
  6. Step 6: Final answer
    x = 93,728.81

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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.