Home / 137,709.13-206,563.70-44,280.49

Finding the Fourth Proportional to 137,709.13, 206,563.70 and 44,280.49

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Solution

The fourth proportional to 137,709.13, 206,563.70 and 44,280.49 is: 66,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,709.13 : 206,563.70 = 44,280.49 : x
  2. Step 2: Convert to fraction form
    137,709.13/206,563.70 = 44,280.49/x
  3. Step 3: Cross multiply
    137,709.13x = 206,563.70 × 44,280.49
  4. Step 4: Simplify right side
    137,709.13x = 9,146,741,852.21
  5. Step 5: Solve for x
    x = 9,146,741,852.21/137,709.13
  6. Step 6: Final answer
    x = 66,420.74

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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.