Home / 125,243.30-187,446.63-74,477.56

Finding the Fourth Proportional to 125,243.30, 187,446.63 and 74,477.56

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Solution

The fourth proportional to 125,243.30, 187,446.63 and 74,477.56 is: 111,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,243.30 : 187,446.63 = 74,477.56 : x
  2. Step 2: Convert to fraction form
    125,243.30/187,446.63 = 74,477.56/x
  3. Step 3: Cross multiply
    125,243.30x = 187,446.63 × 74,477.56
  4. Step 4: Simplify right side
    125,243.30x = 13,960,567,632.62
  5. Step 5: Solve for x
    x = 13,960,567,632.62/125,243.30
  6. Step 6: Final answer
    x = 111,467.58

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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.