Home / 204,900.28-307,405.14-64,661.56

Finding the Fourth Proportional to 204,900.28, 307,405.14 and 64,661.56

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Solution

The fourth proportional to 204,900.28, 307,405.14 and 64,661.56 is: 97,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,900.28 : 307,405.14 = 64,661.56 : x
  2. Step 2: Convert to fraction form
    204,900.28/307,405.14 = 64,661.56/x
  3. Step 3: Cross multiply
    204,900.28x = 307,405.14 × 64,661.56
  4. Step 4: Simplify right side
    204,900.28x = 19,877,295,904.42
  5. Step 5: Solve for x
    x = 19,877,295,904.42/204,900.28
  6. Step 6: Final answer
    x = 97,009.61

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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.