Home / 500,175.12-750,259.44-126,198.48

Finding the Fourth Proportional to 500,175.12, 750,259.44 and 126,198.48

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Solution

The fourth proportional to 500,175.12, 750,259.44 and 126,198.48 is: 189,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,175.12 : 750,259.44 = 126,198.48 : x
  2. Step 2: Convert to fraction form
    500,175.12/750,259.44 = 126,198.48/x
  3. Step 3: Cross multiply
    500,175.12x = 750,259.44 × 126,198.48
  4. Step 4: Simplify right side
    500,175.12x = 94,681,600,933.65
  5. Step 5: Solve for x
    x = 94,681,600,933.65/500,175.12
  6. Step 6: Final answer
    x = 189,296.90

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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.