Home / 204,127.61-306,198.32-71,009.02

Finding the Fourth Proportional to 204,127.61, 306,198.32 and 71,009.02

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Solution

The fourth proportional to 204,127.61, 306,198.32 and 71,009.02 is: 106,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,127.61 : 306,198.32 = 71,009.02 : x
  2. Step 2: Convert to fraction form
    204,127.61/306,198.32 = 71,009.02/x
  3. Step 3: Cross multiply
    204,127.61x = 306,198.32 × 71,009.02
  4. Step 4: Simplify right side
    204,127.61x = 21,742,840,742.81
  5. Step 5: Solve for x
    x = 21,742,840,742.81/204,127.61
  6. Step 6: Final answer
    x = 106,515.93

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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.