Home / 187,904.76-259,324.92-103,038.36

Finding the Fourth Proportional to 187,904.76, 259,324.92 and 103,038.36

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Solution

The fourth proportional to 187,904.76, 259,324.92 and 103,038.36 is: 142,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,904.76 : 259,324.92 = 103,038.36 : x
  2. Step 2: Convert to fraction form
    187,904.76/259,324.92 = 103,038.36/x
  3. Step 3: Cross multiply
    187,904.76x = 259,324.92 × 103,038.36
  4. Step 4: Simplify right side
    187,904.76x = 26,720,414,463.93
  5. Step 5: Solve for x
    x = 26,720,414,463.93/187,904.76
  6. Step 6: Final answer
    x = 142,201.90

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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.