Home / 187,156.39-280,704.43-52,223.95

Finding the Fourth Proportional to 187,156.39, 280,704.43 and 52,223.95

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Solution

The fourth proportional to 187,156.39, 280,704.43 and 52,223.95 is: 78,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,156.39 : 280,704.43 = 52,223.95 : x
  2. Step 2: Convert to fraction form
    187,156.39/280,704.43 = 52,223.95/x
  3. Step 3: Cross multiply
    187,156.39x = 280,704.43 × 52,223.95
  4. Step 4: Simplify right side
    187,156.39x = 14,659,494,117.10
  5. Step 5: Solve for x
    x = 14,659,494,117.10/187,156.39
  6. Step 6: Final answer
    x = 78,327.51

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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.