Home / 203,929.92-305,938.08-63,699.12

Finding the Fourth Proportional to 203,929.92, 305,938.08 and 63,699.12

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Solution

The fourth proportional to 203,929.92, 305,938.08 and 63,699.12 is: 95,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,929.92 : 305,938.08 = 63,699.12 : x
  2. Step 2: Convert to fraction form
    203,929.92/305,938.08 = 63,699.12/x
  3. Step 3: Cross multiply
    203,929.92x = 305,938.08 × 63,699.12
  4. Step 4: Simplify right side
    203,929.92x = 19,487,986,470.49
  5. Step 5: Solve for x
    x = 19,487,986,470.49/203,929.92
  6. Step 6: Final answer
    x = 95,562.17

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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.