Home / 239,255.22-330,170.58-131,822.76

Finding the Fourth Proportional to 239,255.22, 330,170.58 and 131,822.76

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Solution

The fourth proportional to 239,255.22, 330,170.58 and 131,822.76 is: 181,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,255.22 : 330,170.58 = 131,822.76 : x
  2. Step 2: Convert to fraction form
    239,255.22/330,170.58 = 131,822.76/x
  3. Step 3: Cross multiply
    239,255.22x = 330,170.58 × 131,822.76
  4. Step 4: Simplify right side
    239,255.22x = 43,523,997,126.40
  5. Step 5: Solve for x
    x = 43,523,997,126.40/239,255.22
  6. Step 6: Final answer
    x = 181,914.51

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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.