Home / 122,182.24-168,608.64-71,884.48

Finding the Fourth Proportional to 122,182.24, 168,608.64 and 71,884.48

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Solution

The fourth proportional to 122,182.24, 168,608.64 and 71,884.48 is: 99,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,182.24 : 168,608.64 = 71,884.48 : x
  2. Step 2: Convert to fraction form
    122,182.24/168,608.64 = 71,884.48/x
  3. Step 3: Cross multiply
    122,182.24x = 168,608.64 × 71,884.48
  4. Step 4: Simplify right side
    122,182.24x = 12,120,344,409.91
  5. Step 5: Solve for x
    x = 12,120,344,409.91/122,182.24
  6. Step 6: Final answer
    x = 99,198.90

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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.