Home / 281,829.40-422,764.08-113,350.64

Finding the Fourth Proportional to 281,829.40, 422,764.08 and 113,350.64

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Solution

The fourth proportional to 281,829.40, 422,764.08 and 113,350.64 is: 170,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,829.40 : 422,764.08 = 113,350.64 : x
  2. Step 2: Convert to fraction form
    281,829.40/422,764.08 = 113,350.64/x
  3. Step 3: Cross multiply
    281,829.40x = 422,764.08 × 113,350.64
  4. Step 4: Simplify right side
    281,829.40x = 47,920,579,037.01
  5. Step 5: Solve for x
    x = 47,920,579,037.01/281,829.40
  6. Step 6: Final answer
    x = 170,034.00

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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.