Home / 227,145.48-313,456.53-125,180.38

Finding the Fourth Proportional to 227,145.48, 313,456.53 and 125,180.38

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Solution

The fourth proportional to 227,145.48, 313,456.53 and 125,180.38 is: 172,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,145.48 : 313,456.53 = 125,180.38 : x
  2. Step 2: Convert to fraction form
    227,145.48/313,456.53 = 125,180.38/x
  3. Step 3: Cross multiply
    227,145.48x = 313,456.53 × 125,180.38
  4. Step 4: Simplify right side
    227,145.48x = 39,238,607,538.88
  5. Step 5: Solve for x
    x = 39,238,607,538.88/227,145.48
  6. Step 6: Final answer
    x = 172,746.59

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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.