Home / 204,501.51-306,768.67-71,378.82

Finding the Fourth Proportional to 204,501.51, 306,768.67 and 71,378.82

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Solution

The fourth proportional to 204,501.51, 306,768.67 and 71,378.82 is: 107,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,501.51 : 306,768.67 = 71,378.82 : x
  2. Step 2: Convert to fraction form
    204,501.51/306,768.67 = 71,378.82/x
  3. Step 3: Cross multiply
    204,501.51x = 306,768.67 × 71,378.82
  4. Step 4: Simplify right side
    204,501.51x = 21,896,785,499.12
  5. Step 5: Solve for x
    x = 21,896,785,499.12/204,501.51
  6. Step 6: Final answer
    x = 107,073.96

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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.