Home / 137,224.04-205,807.26-38,705

Finding the Fourth Proportional to 137,224.04, 205,807.26 and 38,705

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Solution

The fourth proportional to 137,224.04, 205,807.26 and 38,705 is: 58,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,224.04 : 205,807.26 = 38,705 : x
  2. Step 2: Convert to fraction form
    137,224.04/205,807.26 = 38,705/x
  3. Step 3: Cross multiply
    137,224.04x = 205,807.26 × 38,705
  4. Step 4: Simplify right side
    137,224.04x = 7,965,769,998.30
  5. Step 5: Solve for x
    x = 7,965,769,998.30/137,224.04
  6. Step 6: Final answer
    x = 58,049.38

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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.