Home / 187,192.62-280,586.43-74,749.23

Finding the Fourth Proportional to 187,192.62, 280,586.43 and 74,749.23

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Solution

The fourth proportional to 187,192.62, 280,586.43 and 74,749.23 is: 112,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,192.62 : 280,586.43 = 74,749.23 : x
  2. Step 2: Convert to fraction form
    187,192.62/280,586.43 = 74,749.23/x
  3. Step 3: Cross multiply
    187,192.62x = 280,586.43 × 74,749.23
  4. Step 4: Simplify right side
    187,192.62x = 20,973,619,590.95
  5. Step 5: Solve for x
    x = 20,973,619,590.95/187,192.62
  6. Step 6: Final answer
    x = 112,042.98

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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.