Home / 187,916.42-259,324.53-103,034.90

Finding the Fourth Proportional to 187,916.42, 259,324.53 and 103,034.90

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Solution

The fourth proportional to 187,916.42, 259,324.53 and 103,034.90 is: 142,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,916.42 : 259,324.53 = 103,034.90 : x
  2. Step 2: Convert to fraction form
    187,916.42/259,324.53 = 103,034.90/x
  3. Step 3: Cross multiply
    187,916.42x = 259,324.53 × 103,034.90
  4. Step 4: Simplify right side
    187,916.42x = 26,719,477,016.10
  5. Step 5: Solve for x
    x = 26,719,477,016.10/187,916.42
  6. Step 6: Final answer
    x = 142,188.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.