Home / 137,338.75-206,009.41-48,607.30

Finding the Fourth Proportional to 137,338.75, 206,009.41 and 48,607.30

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Solution

The fourth proportional to 137,338.75, 206,009.41 and 48,607.30 is: 72,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,338.75 : 206,009.41 = 48,607.30 : x
  2. Step 2: Convert to fraction form
    137,338.75/206,009.41 = 48,607.30/x
  3. Step 3: Cross multiply
    137,338.75x = 206,009.41 × 48,607.30
  4. Step 4: Simplify right side
    137,338.75x = 10,013,561,194.69
  5. Step 5: Solve for x
    x = 10,013,561,194.69/137,338.75
  6. Step 6: Final answer
    x = 72,911.40

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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.