Home / 282,303.90-423,520.77-82,619.58

Finding the Fourth Proportional to 282,303.90, 423,520.77 and 82,619.58

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Solution

The fourth proportional to 282,303.90, 423,520.77 and 82,619.58 is: 123,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,303.90 : 423,520.77 = 82,619.58 : x
  2. Step 2: Convert to fraction form
    282,303.90/423,520.77 = 82,619.58/x
  3. Step 3: Cross multiply
    282,303.90x = 423,520.77 × 82,619.58
  4. Step 4: Simplify right side
    282,303.90x = 34,991,108,138.68
  5. Step 5: Solve for x
    x = 34,991,108,138.68/282,303.90
  6. Step 6: Final answer
    x = 123,948.37

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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.