Home / 187,367.52-258,560.62-106,820.98

Finding the Fourth Proportional to 187,367.52, 258,560.62 and 106,820.98

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Solution

The fourth proportional to 187,367.52, 258,560.62 and 106,820.98 is: 147,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,367.52 : 258,560.62 = 106,820.98 : x
  2. Step 2: Convert to fraction form
    187,367.52/258,560.62 = 106,820.98/x
  3. Step 3: Cross multiply
    187,367.52x = 258,560.62 × 106,820.98
  4. Step 4: Simplify right side
    187,367.52x = 27,619,698,817.81
  5. Step 5: Solve for x
    x = 27,619,698,817.81/187,367.52
  6. Step 6: Final answer
    x = 147,409.21

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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.