Home / 187,206.76-258,309.49-106,632.52

Finding the Fourth Proportional to 187,206.76, 258,309.49 and 106,632.52

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Solution

The fourth proportional to 187,206.76, 258,309.49 and 106,632.52 is: 147,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,206.76 : 258,309.49 = 106,632.52 : x
  2. Step 2: Convert to fraction form
    187,206.76/258,309.49 = 106,632.52/x
  3. Step 3: Cross multiply
    187,206.76x = 258,309.49 × 106,632.52
  4. Step 4: Simplify right side
    187,206.76x = 27,544,190,033.90
  5. Step 5: Solve for x
    x = 27,544,190,033.90/187,206.76
  6. Step 6: Final answer
    x = 147,132.46

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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.