Home / 405,933.68-608,829.20-125,453.36

Finding the Fourth Proportional to 405,933.68, 608,829.20 and 125,453.36

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Solution

The fourth proportional to 405,933.68, 608,829.20 and 125,453.36 is: 188,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,933.68 : 608,829.20 = 125,453.36 : x
  2. Step 2: Convert to fraction form
    405,933.68/608,829.20 = 125,453.36/x
  3. Step 3: Cross multiply
    405,933.68x = 608,829.20 × 125,453.36
  4. Step 4: Simplify right side
    405,933.68x = 76,379,668,806.11
  5. Step 5: Solve for x
    x = 76,379,668,806.11/405,933.68
  6. Step 6: Final answer
    x = 188,158.00

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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.