Home / 137,587.78-206,402.16-48,833.84

Finding the Fourth Proportional to 137,587.78, 206,402.16 and 48,833.84

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Solution

The fourth proportional to 137,587.78, 206,402.16 and 48,833.84 is: 73,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,587.78 : 206,402.16 = 48,833.84 : x
  2. Step 2: Convert to fraction form
    137,587.78/206,402.16 = 48,833.84/x
  3. Step 3: Cross multiply
    137,587.78x = 206,402.16 × 48,833.84
  4. Step 4: Simplify right side
    137,587.78x = 10,079,410,057.09
  5. Step 5: Solve for x
    x = 10,079,410,057.09/137,587.78
  6. Step 6: Final answer
    x = 73,258.03

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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.