Home / 239,520.40-330,557.85-132,100.63

Finding the Fourth Proportional to 239,520.40, 330,557.85 and 132,100.63

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Solution

The fourth proportional to 239,520.40, 330,557.85 and 132,100.63 is: 182,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,520.40 : 330,557.85 = 132,100.63 : x
  2. Step 2: Convert to fraction form
    239,520.40/330,557.85 = 132,100.63/x
  3. Step 3: Cross multiply
    239,520.40x = 330,557.85 × 132,100.63
  4. Step 4: Simplify right side
    239,520.40x = 43,666,900,236.45
  5. Step 5: Solve for x
    x = 43,666,900,236.45/239,520.40
  6. Step 6: Final answer
    x = 182,309.73

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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.