Home / 213,727.33-320,655.19-63,972.51

Finding the Fourth Proportional to 213,727.33, 320,655.19 and 63,972.51

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Solution

The fourth proportional to 213,727.33, 320,655.19 and 63,972.51 is: 95,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,727.33 : 320,655.19 = 63,972.51 : x
  2. Step 2: Convert to fraction form
    213,727.33/320,655.19 = 63,972.51/x
  3. Step 3: Cross multiply
    213,727.33x = 320,655.19 × 63,972.51
  4. Step 4: Simplify right side
    213,727.33x = 20,513,117,028.96
  5. Step 5: Solve for x
    x = 20,513,117,028.96/213,727.33
  6. Step 6: Final answer
    x = 95,977.98

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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.