Home / 262,234.13-393,242.72-82,259.51

Finding the Fourth Proportional to 262,234.13, 393,242.72 and 82,259.51

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Solution

The fourth proportional to 262,234.13, 393,242.72 and 82,259.51 is: 123,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,234.13 : 393,242.72 = 82,259.51 : x
  2. Step 2: Convert to fraction form
    262,234.13/393,242.72 = 82,259.51/x
  3. Step 3: Cross multiply
    262,234.13x = 393,242.72 × 82,259.51
  4. Step 4: Simplify right side
    262,234.13x = 32,347,951,080.76
  5. Step 5: Solve for x
    x = 32,347,951,080.76/262,234.13
  6. Step 6: Final answer
    x = 123,355.23

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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.