Home / 246,579.15-369,864.63-78,099.15

Finding the Fourth Proportional to 246,579.15, 369,864.63 and 78,099.15

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Solution

The fourth proportional to 246,579.15, 369,864.63 and 78,099.15 is: 117,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,579.15 : 369,864.63 = 78,099.15 : x
  2. Step 2: Convert to fraction form
    246,579.15/369,864.63 = 78,099.15/x
  3. Step 3: Cross multiply
    246,579.15x = 369,864.63 × 78,099.15
  4. Step 4: Simplify right side
    246,579.15x = 28,886,114,605.06
  5. Step 5: Solve for x
    x = 28,886,114,605.06/246,579.15
  6. Step 6: Final answer
    x = 117,147.43

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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.