Home / 281,890.40-422,598.48-132,051.68

Finding the Fourth Proportional to 281,890.40, 422,598.48 and 132,051.68

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Solution

The fourth proportional to 281,890.40, 422,598.48 and 132,051.68 is: 197,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,890.40 : 422,598.48 = 132,051.68 : x
  2. Step 2: Convert to fraction form
    281,890.40/422,598.48 = 132,051.68/x
  3. Step 3: Cross multiply
    281,890.40x = 422,598.48 × 132,051.68
  4. Step 4: Simplify right side
    281,890.40x = 55,804,839,249.45
  5. Step 5: Solve for x
    x = 55,804,839,249.45/281,890.40
  6. Step 6: Final answer
    x = 197,966.44

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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.