Home / 171,311.12-257,032.92-66,100.88

Finding the Fourth Proportional to 171,311.12, 257,032.92 and 66,100.88

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Solution

The fourth proportional to 171,311.12, 257,032.92 and 66,100.88 is: 99,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,311.12 : 257,032.92 = 66,100.88 : x
  2. Step 2: Convert to fraction form
    171,311.12/257,032.92 = 66,100.88/x
  3. Step 3: Cross multiply
    171,311.12x = 257,032.92 × 66,100.88
  4. Step 4: Simplify right side
    171,311.12x = 16,990,102,200.97
  5. Step 5: Solve for x
    x = 16,990,102,200.97/171,311.12
  6. Step 6: Final answer
    x = 99,176.88

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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.