Home / 187,510.60-258,766.14-102,628.36

Finding the Fourth Proportional to 187,510.60, 258,766.14 and 102,628.36

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Solution

The fourth proportional to 187,510.60, 258,766.14 and 102,628.36 is: 141,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,510.60 : 258,766.14 = 102,628.36 : x
  2. Step 2: Convert to fraction form
    187,510.60/258,766.14 = 102,628.36/x
  3. Step 3: Cross multiply
    187,510.60x = 258,766.14 × 102,628.36
  4. Step 4: Simplify right side
    187,510.60x = 26,556,744,571.73
  5. Step 5: Solve for x
    x = 26,556,744,571.73/187,510.60
  6. Step 6: Final answer
    x = 141,627.96

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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.