Home / 187,617.84-258,876.60-127,237.68

Finding the Fourth Proportional to 187,617.84, 258,876.60 and 127,237.68

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Solution

The fourth proportional to 187,617.84, 258,876.60 and 127,237.68 is: 175,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,617.84 : 258,876.60 = 127,237.68 : x
  2. Step 2: Convert to fraction form
    187,617.84/258,876.60 = 127,237.68/x
  3. Step 3: Cross multiply
    187,617.84x = 258,876.60 × 127,237.68
  4. Step 4: Simplify right side
    187,617.84x = 32,938,857,990.29
  5. Step 5: Solve for x
    x = 32,938,857,990.29/187,617.84
  6. Step 6: Final answer
    x = 175,563.57

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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.