Home / 223,424.12-335,030.59-81,170.20

Finding the Fourth Proportional to 223,424.12, 335,030.59 and 81,170.20

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Solution

The fourth proportional to 223,424.12, 335,030.59 and 81,170.20 is: 121,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,424.12 : 335,030.59 = 81,170.20 : x
  2. Step 2: Convert to fraction form
    223,424.12/335,030.59 = 81,170.20/x
  3. Step 3: Cross multiply
    223,424.12x = 335,030.59 × 81,170.20
  4. Step 4: Simplify right side
    223,424.12x = 27,194,499,996.42
  5. Step 5: Solve for x
    x = 27,194,499,996.42/223,424.12
  6. Step 6: Final answer
    x = 121,716.94

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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.