Home / 187,673.18-258,989.11-101,632.83

Finding the Fourth Proportional to 187,673.18, 258,989.11 and 101,632.83

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Solution

The fourth proportional to 187,673.18, 258,989.11 and 101,632.83 is: 140,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,673.18 : 258,989.11 = 101,632.83 : x
  2. Step 2: Convert to fraction form
    187,673.18/258,989.11 = 101,632.83/x
  3. Step 3: Cross multiply
    187,673.18x = 258,989.11 × 101,632.83
  4. Step 4: Simplify right side
    187,673.18x = 26,321,796,188.48
  5. Step 5: Solve for x
    x = 26,321,796,188.48/187,673.18
  6. Step 6: Final answer
    x = 140,253.37

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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.