Home / 281,943.32-422,873.82-82,210.04

Finding the Fourth Proportional to 281,943.32, 422,873.82 and 82,210.04

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Solution

The fourth proportional to 281,943.32, 422,873.82 and 82,210.04 is: 123,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,943.32 : 422,873.82 = 82,210.04 : x
  2. Step 2: Convert to fraction form
    281,943.32/422,873.82 = 82,210.04/x
  3. Step 3: Cross multiply
    281,943.32x = 422,873.82 × 82,210.04
  4. Step 4: Simplify right side
    281,943.32x = 34,764,473,657.15
  5. Step 5: Solve for x
    x = 34,764,473,657.15/281,943.32
  6. Step 6: Final answer
    x = 123,303.06

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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.