Home / 111,722.20-167,534.70-36,813.40

Finding the Fourth Proportional to 111,722.20, 167,534.70 and 36,813.40

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Solution

The fourth proportional to 111,722.20, 167,534.70 and 36,813.40 is: 55,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722.20 : 167,534.70 = 36,813.40 : x
  2. Step 2: Convert to fraction form
    111,722.20/167,534.70 = 36,813.40/x
  3. Step 3: Cross multiply
    111,722.20x = 167,534.70 × 36,813.40
  4. Step 4: Simplify right side
    111,722.20x = 6,167,521,924.98
  5. Step 5: Solve for x
    x = 6,167,521,924.98/111,722.20
  6. Step 6: Final answer
    x = 55,204.09

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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.