Home / 239,341.08-330,277.84-131,889.72

Finding the Fourth Proportional to 239,341.08, 330,277.84 and 131,889.72

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Solution

The fourth proportional to 239,341.08, 330,277.84 and 131,889.72 is: 182,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,341.08 : 330,277.84 = 131,889.72 : x
  2. Step 2: Convert to fraction form
    239,341.08/330,277.84 = 131,889.72/x
  3. Step 3: Cross multiply
    239,341.08x = 330,277.84 × 131,889.72
  4. Step 4: Simplify right side
    239,341.08x = 43,560,251,839.80
  5. Step 5: Solve for x
    x = 43,560,251,839.80/239,341.08
  6. Step 6: Final answer
    x = 182,000.73

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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.