Home / 126,923.72-175,148.70-75,964.52

Finding the Fourth Proportional to 126,923.72, 175,148.70 and 75,964.52

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Solution

The fourth proportional to 126,923.72, 175,148.70 and 75,964.52 is: 104,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,923.72 : 175,148.70 = 75,964.52 : x
  2. Step 2: Convert to fraction form
    126,923.72/175,148.70 = 75,964.52/x
  3. Step 3: Cross multiply
    126,923.72x = 175,148.70 × 75,964.52
  4. Step 4: Simplify right side
    126,923.72x = 13,305,086,048.38
  5. Step 5: Solve for x
    x = 13,305,086,048.38/126,923.72
  6. Step 6: Final answer
    x = 104,827.42

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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.