Home / 423,530.85-635,249.79-124,014.36

Finding the Fourth Proportional to 423,530.85, 635,249.79 and 124,014.36

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Solution

The fourth proportional to 423,530.85, 635,249.79 and 124,014.36 is: 186,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,530.85 : 635,249.79 = 124,014.36 : x
  2. Step 2: Convert to fraction form
    423,530.85/635,249.79 = 124,014.36/x
  3. Step 3: Cross multiply
    423,530.85x = 635,249.79 × 124,014.36
  4. Step 4: Simplify right side
    423,530.85x = 78,780,096,146.98
  5. Step 5: Solve for x
    x = 78,780,096,146.98/423,530.85
  6. Step 6: Final answer
    x = 186,007.93

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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.