Home / 281,927.72-423,101.79-113,449.53

Finding the Fourth Proportional to 281,927.72, 423,101.79 and 113,449.53

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Solution

The fourth proportional to 281,927.72, 423,101.79 and 113,449.53 is: 170,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,927.72 : 423,101.79 = 113,449.53 : x
  2. Step 2: Convert to fraction form
    281,927.72/423,101.79 = 113,449.53/x
  3. Step 3: Cross multiply
    281,927.72x = 423,101.79 × 113,449.53
  4. Step 4: Simplify right side
    281,927.72x = 48,000,699,217.66
  5. Step 5: Solve for x
    x = 48,000,699,217.66/281,927.72
  6. Step 6: Final answer
    x = 170,258.89

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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.