Home / 239,318.52-330,255.50-131,886.26

Finding the Fourth Proportional to 239,318.52, 330,255.50 and 131,886.26

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Solution

The fourth proportional to 239,318.52, 330,255.50 and 131,886.26 is: 182,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,318.52 : 330,255.50 = 131,886.26 : x
  2. Step 2: Convert to fraction form
    239,318.52/330,255.50 = 131,886.26/x
  3. Step 3: Cross multiply
    239,318.52x = 330,255.50 × 131,886.26
  4. Step 4: Simplify right side
    239,318.52x = 43,556,162,739.43
  5. Step 5: Solve for x
    x = 43,556,162,739.43/239,318.52
  6. Step 6: Final answer
    x = 182,000.80

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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.