Home / 405,873.20-608,841.54-136,002.26

Finding the Fourth Proportional to 405,873.20, 608,841.54 and 136,002.26

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Solution

The fourth proportional to 405,873.20, 608,841.54 and 136,002.26 is: 204,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,873.20 : 608,841.54 = 136,002.26 : x
  2. Step 2: Convert to fraction form
    405,873.20/608,841.54 = 136,002.26/x
  3. Step 3: Cross multiply
    405,873.20x = 608,841.54 × 136,002.26
  4. Step 4: Simplify right side
    405,873.20x = 82,803,826,943.98
  5. Step 5: Solve for x
    x = 82,803,826,943.98/405,873.20
  6. Step 6: Final answer
    x = 204,014.03

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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.