Home / 246,121.83-369,190.64-77,643.72

Finding the Fourth Proportional to 246,121.83, 369,190.64 and 77,643.72

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Solution

The fourth proportional to 246,121.83, 369,190.64 and 77,643.72 is: 116,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,121.83 : 369,190.64 = 77,643.72 : x
  2. Step 2: Convert to fraction form
    246,121.83/369,190.64 = 77,643.72/x
  3. Step 3: Cross multiply
    246,121.83x = 369,190.64 × 77,643.72
  4. Step 4: Simplify right side
    246,121.83x = 28,665,334,872.89
  5. Step 5: Solve for x
    x = 28,665,334,872.89/246,121.83
  6. Step 6: Final answer
    x = 116,468.07

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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.