Home / 436,474.07-654,156-196,331.24

Finding the Fourth Proportional to 436,474.07, 654,156 and 196,331.24

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Solution

The fourth proportional to 436,474.07, 654,156 and 196,331.24 is: 294,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,474.07 : 654,156 = 196,331.24 : x
  2. Step 2: Convert to fraction form
    436,474.07/654,156 = 196,331.24/x
  3. Step 3: Cross multiply
    436,474.07x = 654,156 × 196,331.24
  4. Step 4: Simplify right side
    436,474.07x = 128,431,260,268.83
  5. Step 5: Solve for x
    x = 128,431,260,268.83/436,474.07
  6. Step 6: Final answer
    x = 294,247.17

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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.