Home / 227,279.48-313,647.78-125,308.54

Finding the Fourth Proportional to 227,279.48, 313,647.78 and 125,308.54

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Solution

The fourth proportional to 227,279.48, 313,647.78 and 125,308.54 is: 172,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,279.48 : 313,647.78 = 125,308.54 : x
  2. Step 2: Convert to fraction form
    227,279.48/313,647.78 = 125,308.54/x
  3. Step 3: Cross multiply
    227,279.48x = 313,647.78 × 125,308.54
  4. Step 4: Simplify right side
    227,279.48x = 39,302,745,386.04
  5. Step 5: Solve for x
    x = 39,302,745,386.04/227,279.48
  6. Step 6: Final answer
    x = 172,926.94

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1.5x scale

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.