Home / 246,285.12-369,430.72-68,781.44

Finding the Fourth Proportional to 246,285.12, 369,430.72 and 68,781.44

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Solution

The fourth proportional to 246,285.12, 369,430.72 and 68,781.44 is: 103,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,285.12 : 369,430.72 = 68,781.44 : x
  2. Step 2: Convert to fraction form
    246,285.12/369,430.72 = 68,781.44/x
  3. Step 3: Cross multiply
    246,285.12x = 369,430.72 × 68,781.44
  4. Step 4: Simplify right side
    246,285.12x = 25,409,976,901.84
  5. Step 5: Solve for x
    x = 25,409,976,901.84/246,285.12
  6. Step 6: Final answer
    x = 103,173.01

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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.