Home / 218,826.13-302,067.03-188,077.51

Finding the Fourth Proportional to 218,826.13, 302,067.03 and 188,077.51

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Solution

The fourth proportional to 218,826.13, 302,067.03 and 188,077.51 is: 259,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,826.13 : 302,067.03 = 188,077.51 : x
  2. Step 2: Convert to fraction form
    218,826.13/302,067.03 = 188,077.51/x
  3. Step 3: Cross multiply
    218,826.13x = 302,067.03 × 188,077.51
  4. Step 4: Simplify right side
    218,826.13x = 56,812,014,855.50
  5. Step 5: Solve for x
    x = 56,812,014,855.50/218,826.13
  6. Step 6: Final answer
    x = 259,621.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.