Home / 333,890.24-500,828.06-81,172.06

Finding the Fourth Proportional to 333,890.24, 500,828.06 and 81,172.06

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Solution

The fourth proportional to 333,890.24, 500,828.06 and 81,172.06 is: 121,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,890.24 : 500,828.06 = 81,172.06 : x
  2. Step 2: Convert to fraction form
    333,890.24/500,828.06 = 81,172.06/x
  3. Step 3: Cross multiply
    333,890.24x = 500,828.06 × 81,172.06
  4. Step 4: Simplify right side
    333,890.24x = 40,653,245,336.00
  5. Step 5: Solve for x
    x = 40,653,245,336.00/333,890.24
  6. Step 6: Final answer
    x = 121,756.32

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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.