Home / 186,818.49-257,815.19-106,257.60

Finding the Fourth Proportional to 186,818.49, 257,815.19 and 106,257.60

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Solution

The fourth proportional to 186,818.49, 257,815.19 and 106,257.60 is: 146,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,818.49 : 257,815.19 = 106,257.60 : x
  2. Step 2: Convert to fraction form
    186,818.49/257,815.19 = 106,257.60/x
  3. Step 3: Cross multiply
    186,818.49x = 257,815.19 × 106,257.60
  4. Step 4: Simplify right side
    186,818.49x = 27,394,823,598.59
  5. Step 5: Solve for x
    x = 27,394,823,598.59/186,818.49
  6. Step 6: Final answer
    x = 146,638.72

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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.