Home / 281,922.12-422,875.08-104,425.20

Finding the Fourth Proportional to 281,922.12, 422,875.08 and 104,425.20

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Solution

The fourth proportional to 281,922.12, 422,875.08 and 104,425.20 is: 156,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,922.12 : 422,875.08 = 104,425.20 : x
  2. Step 2: Convert to fraction form
    281,922.12/422,875.08 = 104,425.20/x
  3. Step 3: Cross multiply
    281,922.12x = 422,875.08 × 104,425.20
  4. Step 4: Simplify right side
    281,922.12x = 44,158,814,804.02
  5. Step 5: Solve for x
    x = 44,158,814,804.02/281,922.12
  6. Step 6: Final answer
    x = 156,634.80

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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.