Home / 111,826.20-167,609.70-45,233.40

Finding the Fourth Proportional to 111,826.20, 167,609.70 and 45,233.40

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Solution

The fourth proportional to 111,826.20, 167,609.70 and 45,233.40 is: 67,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,826.20 : 167,609.70 = 45,233.40 : x
  2. Step 2: Convert to fraction form
    111,826.20/167,609.70 = 45,233.40/x
  3. Step 3: Cross multiply
    111,826.20x = 167,609.70 × 45,233.40
  4. Step 4: Simplify right side
    111,826.20x = 7,581,556,603.98
  5. Step 5: Solve for x
    x = 7,581,556,603.98/111,826.20
  6. Step 6: Final answer
    x = 67,797.68

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1.5x scale

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.