Home / 262,983.20-394,532.40-129,927.20

Finding the Fourth Proportional to 262,983.20, 394,532.40 and 129,927.20

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Solution

The fourth proportional to 262,983.20, 394,532.40 and 129,927.20 is: 194,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,983.20 : 394,532.40 = 129,927.20 : x
  2. Step 2: Convert to fraction form
    262,983.20/394,532.40 = 129,927.20/x
  3. Step 3: Cross multiply
    262,983.20x = 394,532.40 × 129,927.20
  4. Step 4: Simplify right side
    262,983.20x = 51,260,490,041.28
  5. Step 5: Solve for x
    x = 51,260,490,041.28/262,983.20
  6. Step 6: Final answer
    x = 194,919.26

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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.