Home / 442,555.12-663,835.08-110,131.12

Finding the Fourth Proportional to 442,555.12, 663,835.08 and 110,131.12

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Solution

The fourth proportional to 442,555.12, 663,835.08 and 110,131.12 is: 165,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,555.12 : 663,835.08 = 110,131.12 : x
  2. Step 2: Convert to fraction form
    442,555.12/663,835.08 = 110,131.12/x
  3. Step 3: Cross multiply
    442,555.12x = 663,835.08 × 110,131.12
  4. Step 4: Simplify right side
    442,555.12x = 73,108,900,855.69
  5. Step 5: Solve for x
    x = 73,108,900,855.69/442,555.12
  6. Step 6: Final answer
    x = 165,197.28

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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.