Home / 187,180.55-280,729.60-54,031.89

Finding the Fourth Proportional to 187,180.55, 280,729.60 and 54,031.89

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Solution

The fourth proportional to 187,180.55, 280,729.60 and 54,031.89 is: 81,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,180.55 : 280,729.60 = 54,031.89 : x
  2. Step 2: Convert to fraction form
    187,180.55/280,729.60 = 54,031.89/x
  3. Step 3: Cross multiply
    187,180.55x = 280,729.60 × 54,031.89
  4. Step 4: Simplify right side
    187,180.55x = 15,168,351,784.60
  5. Step 5: Solve for x
    x = 15,168,351,784.60/187,180.55
  6. Step 6: Final answer
    x = 81,035.94

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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.