Home / 186,078.72-256,680.19-135,032.06

Finding the Fourth Proportional to 186,078.72, 256,680.19 and 135,032.06

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Solution

The fourth proportional to 186,078.72, 256,680.19 and 135,032.06 is: 186,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,078.72 : 256,680.19 = 135,032.06 : x
  2. Step 2: Convert to fraction form
    186,078.72/256,680.19 = 135,032.06/x
  3. Step 3: Cross multiply
    186,078.72x = 256,680.19 × 135,032.06
  4. Step 4: Simplify right side
    186,078.72x = 34,660,055,627.38
  5. Step 5: Solve for x
    x = 34,660,055,627.38/186,078.72
  6. Step 6: Final answer
    x = 186,265.55

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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.