Home / 246,411.11-369,616.70-86,612.49

Finding the Fourth Proportional to 246,411.11, 369,616.70 and 86,612.49

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Solution

The fourth proportional to 246,411.11, 369,616.70 and 86,612.49 is: 129,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,411.11 : 369,616.70 = 86,612.49 : x
  2. Step 2: Convert to fraction form
    246,411.11/369,616.70 = 86,612.49/x
  3. Step 3: Cross multiply
    246,411.11x = 369,616.70 × 86,612.49
  4. Step 4: Simplify right side
    246,411.11x = 32,013,422,949.11
  5. Step 5: Solve for x
    x = 32,013,422,949.11/246,411.11
  6. Step 6: Final answer
    x = 129,918.75

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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.