Home / 173,162.20-259,776.80-66,538.12

Finding the Fourth Proportional to 173,162.20, 259,776.80 and 66,538.12

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Solution

The fourth proportional to 173,162.20, 259,776.80 and 66,538.12 is: 99,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,162.20 : 259,776.80 = 66,538.12 : x
  2. Step 2: Convert to fraction form
    173,162.20/259,776.80 = 66,538.12/x
  3. Step 3: Cross multiply
    173,162.20x = 259,776.80 × 66,538.12
  4. Step 4: Simplify right side
    173,162.20x = 17,285,059,891.62
  5. Step 5: Solve for x
    x = 17,285,059,891.62/173,162.20
  6. Step 6: Final answer
    x = 99,820.05

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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.