Home / 170,191.14-255,286.59-76,587.54

Finding the Fourth Proportional to 170,191.14, 255,286.59 and 76,587.54

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Solution

The fourth proportional to 170,191.14, 255,286.59 and 76,587.54 is: 114,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,191.14 : 255,286.59 = 76,587.54 : x
  2. Step 2: Convert to fraction form
    170,191.14/255,286.59 = 76,587.54/x
  3. Step 3: Cross multiply
    170,191.14x = 255,286.59 × 76,587.54
  4. Step 4: Simplify right side
    170,191.14x = 19,551,771,923.09
  5. Step 5: Solve for x
    x = 19,551,771,923.09/170,191.14
  6. Step 6: Final answer
    x = 114,881.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.