Home / 137,447.64-206,106.30-53,247.24

Finding the Fourth Proportional to 137,447.64, 206,106.30 and 53,247.24

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Solution

The fourth proportional to 137,447.64, 206,106.30 and 53,247.24 is: 79,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,447.64 : 206,106.30 = 53,247.24 : x
  2. Step 2: Convert to fraction form
    137,447.64/206,106.30 = 53,247.24/x
  3. Step 3: Cross multiply
    137,447.64x = 206,106.30 × 53,247.24
  4. Step 4: Simplify right side
    137,447.64x = 10,974,591,621.61
  5. Step 5: Solve for x
    x = 10,974,591,621.61/137,447.64
  6. Step 6: Final answer
    x = 79,845.62

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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.