Home / 132,087.06-198,208.35-49,039.38

Finding the Fourth Proportional to 132,087.06, 198,208.35 and 49,039.38

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Solution

The fourth proportional to 132,087.06, 198,208.35 and 49,039.38 is: 73,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,087.06 : 198,208.35 = 49,039.38 : x
  2. Step 2: Convert to fraction form
    132,087.06/198,208.35 = 49,039.38/x
  3. Step 3: Cross multiply
    132,087.06x = 198,208.35 × 49,039.38
  4. Step 4: Simplify right side
    132,087.06x = 9,720,014,594.82
  5. Step 5: Solve for x
    x = 9,720,014,594.82/132,087.06
  6. Step 6: Final answer
    x = 73,587.94

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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.