Home / 147,651.26-221,506.11-54,157.82

Finding the Fourth Proportional to 147,651.26, 221,506.11 and 54,157.82

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Solution

The fourth proportional to 147,651.26, 221,506.11 and 54,157.82 is: 81,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,651.26 : 221,506.11 = 54,157.82 : x
  2. Step 2: Convert to fraction form
    147,651.26/221,506.11 = 54,157.82/x
  3. Step 3: Cross multiply
    147,651.26x = 221,506.11 × 54,157.82
  4. Step 4: Simplify right side
    147,651.26x = 11,996,286,926.75
  5. Step 5: Solve for x
    x = 11,996,286,926.75/147,651.26
  6. Step 6: Final answer
    x = 81,247.44

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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.