Home / 218,536.12-301,579.14-123,043.24

Finding the Fourth Proportional to 218,536.12, 301,579.14 and 123,043.24

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Solution

The fourth proportional to 218,536.12, 301,579.14 and 123,043.24 is: 169,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,536.12 : 301,579.14 = 123,043.24 : x
  2. Step 2: Convert to fraction form
    218,536.12/301,579.14 = 123,043.24/x
  3. Step 3: Cross multiply
    218,536.12x = 301,579.14 × 123,043.24
  4. Step 4: Simplify right side
    218,536.12x = 37,107,274,502.01
  5. Step 5: Solve for x
    x = 37,107,274,502.01/218,536.12
  6. Step 6: Final answer
    x = 169,799.27

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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.