Home / 187,913.30-281,869.94-162,537.40

Finding the Fourth Proportional to 187,913.30, 281,869.94 and 162,537.40

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Solution

The fourth proportional to 187,913.30, 281,869.94 and 162,537.40 is: 243,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,913.30 : 281,869.94 = 162,537.40 : x
  2. Step 2: Convert to fraction form
    187,913.30/281,869.94 = 162,537.40/x
  3. Step 3: Cross multiply
    187,913.30x = 281,869.94 × 162,537.40
  4. Step 4: Simplify right side
    187,913.30x = 45,814,407,185.76
  5. Step 5: Solve for x
    x = 45,814,407,185.76/187,913.30
  6. Step 6: Final answer
    x = 243,806.09

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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.