Home / 121,106.46-181,650.36-53,659.38

Finding the Fourth Proportional to 121,106.46, 181,650.36 and 53,659.38

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Solution

The fourth proportional to 121,106.46, 181,650.36 and 53,659.38 is: 80,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,106.46 : 181,650.36 = 53,659.38 : x
  2. Step 2: Convert to fraction form
    121,106.46/181,650.36 = 53,659.38/x
  3. Step 3: Cross multiply
    121,106.46x = 181,650.36 × 53,659.38
  4. Step 4: Simplify right side
    121,106.46x = 9,747,245,694.38
  5. Step 5: Solve for x
    x = 9,747,245,694.38/121,106.46
  6. Step 6: Final answer
    x = 80,484.94

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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.