Home / 204,724.60-307,130.10-64,497.40

Finding the Fourth Proportional to 204,724.60, 307,130.10 and 64,497.40

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Solution

The fourth proportional to 204,724.60, 307,130.10 and 64,497.40 is: 96,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,724.60 : 307,130.10 = 64,497.40 : x
  2. Step 2: Convert to fraction form
    204,724.60/307,130.10 = 64,497.40/x
  3. Step 3: Cross multiply
    204,724.60x = 307,130.10 × 64,497.40
  4. Step 4: Simplify right side
    204,724.60x = 19,809,092,911.74
  5. Step 5: Solve for x
    x = 19,809,092,911.74/204,724.60
  6. Step 6: Final answer
    x = 96,759.71

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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.