Home / 187,465.20-281,222.10-92,743.80

Finding the Fourth Proportional to 187,465.20, 281,222.10 and 92,743.80

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Solution

The fourth proportional to 187,465.20, 281,222.10 and 92,743.80 is: 139,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,465.20 : 281,222.10 = 92,743.80 : x
  2. Step 2: Convert to fraction form
    187,465.20/281,222.10 = 92,743.80/x
  3. Step 3: Cross multiply
    187,465.20x = 281,222.10 × 92,743.80
  4. Step 4: Simplify right side
    187,465.20x = 26,081,606,197.98
  5. Step 5: Solve for x
    x = 26,081,606,197.98/187,465.20
  6. Step 6: Final answer
    x = 139,127.72

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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.