Home / 436,253.11-654,387.87-136,727.06

Finding the Fourth Proportional to 436,253.11, 654,387.87 and 136,727.06

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Solution

The fourth proportional to 436,253.11, 654,387.87 and 136,727.06 is: 205,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,253.11 : 654,387.87 = 136,727.06 : x
  2. Step 2: Convert to fraction form
    436,253.11/654,387.87 = 136,727.06/x
  3. Step 3: Cross multiply
    436,253.11x = 654,387.87 × 136,727.06
  4. Step 4: Simplify right side
    436,253.11x = 89,472,529,564.76
  5. Step 5: Solve for x
    x = 89,472,529,564.76/436,253.11
  6. Step 6: Final answer
    x = 205,093.16

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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.