Home / 187,985.88-259,422.52-101,945.02

Finding the Fourth Proportional to 187,985.88, 259,422.52 and 101,945.02

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Solution

The fourth proportional to 187,985.88, 259,422.52 and 101,945.02 is: 140,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,985.88 : 259,422.52 = 101,945.02 : x
  2. Step 2: Convert to fraction form
    187,985.88/259,422.52 = 101,945.02/x
  3. Step 3: Cross multiply
    187,985.88x = 259,422.52 × 101,945.02
  4. Step 4: Simplify right side
    187,985.88x = 26,446,833,989.85
  5. Step 5: Solve for x
    x = 26,446,833,989.85/187,985.88
  6. Step 6: Final answer
    x = 140,685.22

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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.