Home / 262,561.20-394,133.40-144,463.20

Finding the Fourth Proportional to 262,561.20, 394,133.40 and 144,463.20

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Solution

The fourth proportional to 262,561.20, 394,133.40 and 144,463.20 is: 216,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,561.20 : 394,133.40 = 144,463.20 : x
  2. Step 2: Convert to fraction form
    262,561.20/394,133.40 = 144,463.20/x
  3. Step 3: Cross multiply
    262,561.20x = 394,133.40 × 144,463.20
  4. Step 4: Simplify right side
    262,561.20x = 56,937,772,190.88
  5. Step 5: Solve for x
    x = 56,937,772,190.88/262,561.20
  6. Step 6: Final answer
    x = 216,855.24

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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.