Home / 111,228.39-166,808.06-40,141.88

Finding the Fourth Proportional to 111,228.39, 166,808.06 and 40,141.88

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Solution

The fourth proportional to 111,228.39, 166,808.06 and 40,141.88 is: 60,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,228.39 : 166,808.06 = 40,141.88 : x
  2. Step 2: Convert to fraction form
    111,228.39/166,808.06 = 40,141.88/x
  3. Step 3: Cross multiply
    111,228.39x = 166,808.06 × 40,141.88
  4. Step 4: Simplify right side
    111,228.39x = 6,695,988,868.87
  5. Step 5: Solve for x
    x = 6,695,988,868.87/111,228.39
  6. Step 6: Final answer
    x = 60,200.36

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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.