Home / 187,180.98-258,355.65-106,655.94

Finding the Fourth Proportional to 187,180.98, 258,355.65 and 106,655.94

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Solution

The fourth proportional to 187,180.98, 258,355.65 and 106,655.94 is: 147,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,180.98 : 258,355.65 = 106,655.94 : x
  2. Step 2: Convert to fraction form
    187,180.98/258,355.65 = 106,655.94/x
  3. Step 3: Cross multiply
    187,180.98x = 258,355.65 × 106,655.94
  4. Step 4: Simplify right side
    187,180.98x = 27,555,164,705.06
  5. Step 5: Solve for x
    x = 27,555,164,705.06/187,180.98
  6. Step 6: Final answer
    x = 147,211.35

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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.