Home / 246,130.40-369,145.20-68,592.80

Finding the Fourth Proportional to 246,130.40, 369,145.20 and 68,592.80

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Solution

The fourth proportional to 246,130.40, 369,145.20 and 68,592.80 is: 102,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,130.40 : 369,145.20 = 68,592.80 : x
  2. Step 2: Convert to fraction form
    246,130.40/369,145.20 = 68,592.80/x
  3. Step 3: Cross multiply
    246,130.40x = 369,145.20 × 68,592.80
  4. Step 4: Simplify right side
    246,130.40x = 25,320,702,874.56
  5. Step 5: Solve for x
    x = 25,320,702,874.56/246,130.40
  6. Step 6: Final answer
    x = 102,875.15

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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.