Home / 490,888.04-736,245.66-131,063.36

Finding the Fourth Proportional to 490,888.04, 736,245.66 and 131,063.36

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Solution

The fourth proportional to 490,888.04, 736,245.66 and 131,063.36 is: 196,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,888.04 : 736,245.66 = 131,063.36 : x
  2. Step 2: Convert to fraction form
    490,888.04/736,245.66 = 131,063.36/x
  3. Step 3: Cross multiply
    490,888.04x = 736,245.66 × 131,063.36
  4. Step 4: Simplify right side
    490,888.04x = 96,494,829,985.02
  5. Step 5: Solve for x
    x = 96,494,829,985.02/490,888.04
  6. Step 6: Final answer
    x = 196,571.97

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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.