Home / 140,163.08-193,525.17-86,520.92

Finding the Fourth Proportional to 140,163.08, 193,525.17 and 86,520.92

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Solution

The fourth proportional to 140,163.08, 193,525.17 and 86,520.92 is: 119,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,163.08 : 193,525.17 = 86,520.92 : x
  2. Step 2: Convert to fraction form
    140,163.08/193,525.17 = 86,520.92/x
  3. Step 3: Cross multiply
    140,163.08x = 193,525.17 × 86,520.92
  4. Step 4: Simplify right side
    140,163.08x = 16,743,975,751.56
  5. Step 5: Solve for x
    x = 16,743,975,751.56/140,163.08
  6. Step 6: Final answer
    x = 119,460.67

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1.5x scale

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.