Home / 436,095.30-654,056.55-211,455.30

Finding the Fourth Proportional to 436,095.30, 654,056.55 and 211,455.30

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Solution

The fourth proportional to 436,095.30, 654,056.55 and 211,455.30 is: 317,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,095.30 : 654,056.55 = 211,455.30 : x
  2. Step 2: Convert to fraction form
    436,095.30/654,056.55 = 211,455.30/x
  3. Step 3: Cross multiply
    436,095.30x = 654,056.55 × 211,455.30
  4. Step 4: Simplify right side
    436,095.30x = 138,303,723,997.22
  5. Step 5: Solve for x
    x = 138,303,723,997.22/436,095.30
  6. Step 6: Final answer
    x = 317,141.06

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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.