Home / 111,203.28-166,836-44,690.08

Finding the Fourth Proportional to 111,203.28, 166,836 and 44,690.08

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Solution

The fourth proportional to 111,203.28, 166,836 and 44,690.08 is: 67,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,203.28 : 166,836 = 44,690.08 : x
  2. Step 2: Convert to fraction form
    111,203.28/166,836 = 44,690.08/x
  3. Step 3: Cross multiply
    111,203.28x = 166,836 × 44,690.08
  4. Step 4: Simplify right side
    111,203.28x = 7,455,914,186.88
  5. Step 5: Solve for x
    x = 7,455,914,186.88/111,203.28
  6. Step 6: Final answer
    x = 67,047.61

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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.