Home / 207,105.40-310,723.34-73,982.71

Finding the Fourth Proportional to 207,105.40, 310,723.34 and 73,982.71

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Solution

The fourth proportional to 207,105.40, 310,723.34 and 73,982.71 is: 110,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,105.40 : 310,723.34 = 73,982.71 : x
  2. Step 2: Convert to fraction form
    207,105.40/310,723.34 = 73,982.71/x
  3. Step 3: Cross multiply
    207,105.40x = 310,723.34 × 73,982.71
  4. Step 4: Simplify right side
    207,105.40x = 22,988,153,199.83
  5. Step 5: Solve for x
    x = 22,988,153,199.83/207,105.40
  6. Step 6: Final answer
    x = 110,997.37

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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.