Home / 187,042.42-280,603.04-60,672.80

Finding the Fourth Proportional to 187,042.42, 280,603.04 and 60,672.80

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Solution

The fourth proportional to 187,042.42, 280,603.04 and 60,672.80 is: 91,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,042.42 : 280,603.04 = 60,672.80 : x
  2. Step 2: Convert to fraction form
    187,042.42/280,603.04 = 60,672.80/x
  3. Step 3: Cross multiply
    187,042.42x = 280,603.04 × 60,672.80
  4. Step 4: Simplify right side
    187,042.42x = 17,024,972,224.85
  5. Step 5: Solve for x
    x = 17,024,972,224.85/187,042.42
  6. Step 6: Final answer
    x = 91,021.98

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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.