Home / 187,341.20-281,036.10-92,619.80

Finding the Fourth Proportional to 187,341.20, 281,036.10 and 92,619.80

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Solution

The fourth proportional to 187,341.20, 281,036.10 and 92,619.80 is: 138,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,341.20 : 281,036.10 = 92,619.80 : x
  2. Step 2: Convert to fraction form
    187,341.20/281,036.10 = 92,619.80/x
  3. Step 3: Cross multiply
    187,341.20x = 281,036.10 × 92,619.80
  4. Step 4: Simplify right side
    187,341.20x = 26,029,507,374.78
  5. Step 5: Solve for x
    x = 26,029,507,374.78/187,341.20
  6. Step 6: Final answer
    x = 138,941.71

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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.