Home / 227,021.72-313,292.07-125,047.55

Finding the Fourth Proportional to 227,021.72, 313,292.07 and 125,047.55

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Solution

The fourth proportional to 227,021.72, 313,292.07 and 125,047.55 is: 172,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,021.72 : 313,292.07 = 125,047.55 : x
  2. Step 2: Convert to fraction form
    227,021.72/313,292.07 = 125,047.55/x
  3. Step 3: Cross multiply
    227,021.72x = 313,292.07 × 125,047.55
  4. Step 4: Simplify right side
    227,021.72x = 39,176,405,787.93
  5. Step 5: Solve for x
    x = 39,176,405,787.93/227,021.72
  6. Step 6: Final answer
    x = 172,566.77

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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.