Home / 213,788.61-320,693.25-56,017.22

Finding the Fourth Proportional to 213,788.61, 320,693.25 and 56,017.22

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Solution

The fourth proportional to 213,788.61, 320,693.25 and 56,017.22 is: 84,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,788.61 : 320,693.25 = 56,017.22 : x
  2. Step 2: Convert to fraction form
    213,788.61/320,693.25 = 56,017.22/x
  3. Step 3: Cross multiply
    213,788.61x = 320,693.25 × 56,017.22
  4. Step 4: Simplify right side
    213,788.61x = 17,964,344,337.77
  5. Step 5: Solve for x
    x = 17,964,344,337.77/213,788.61
  6. Step 6: Final answer
    x = 84,028.54

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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.