Home / 123,607.20-185,497.20-53,536.80

Finding the Fourth Proportional to 123,607.20, 185,497.20 and 53,536.80

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Solution

The fourth proportional to 123,607.20, 185,497.20 and 53,536.80 is: 80,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,607.20 : 185,497.20 = 53,536.80 : x
  2. Step 2: Convert to fraction form
    123,607.20/185,497.20 = 53,536.80/x
  3. Step 3: Cross multiply
    123,607.20x = 185,497.20 × 53,536.80
  4. Step 4: Simplify right side
    123,607.20x = 9,930,926,496.96
  5. Step 5: Solve for x
    x = 9,930,926,496.96/123,607.20
  6. Step 6: Final answer
    x = 80,342.62

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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.