Home / 213,816.13-320,699.54-56,057.11

Finding the Fourth Proportional to 213,816.13, 320,699.54 and 56,057.11

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Solution

The fourth proportional to 213,816.13, 320,699.54 and 56,057.11 is: 84,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,816.13 : 320,699.54 = 56,057.11 : x
  2. Step 2: Convert to fraction form
    213,816.13/320,699.54 = 56,057.11/x
  3. Step 3: Cross multiply
    213,816.13x = 320,699.54 × 56,057.11
  4. Step 4: Simplify right side
    213,816.13x = 17,977,489,110.44
  5. Step 5: Solve for x
    x = 17,977,489,110.44/213,816.13
  6. Step 6: Final answer
    x = 84,079.20

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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.