Home / 335,174.76-462,628.26-221,956.20

Finding the Fourth Proportional to 335,174.76, 462,628.26 and 221,956.20

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Solution

The fourth proportional to 335,174.76, 462,628.26 and 221,956.20 is: 306,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,174.76 : 462,628.26 = 221,956.20 : x
  2. Step 2: Convert to fraction form
    335,174.76/462,628.26 = 221,956.20/x
  3. Step 3: Cross multiply
    335,174.76x = 462,628.26 × 221,956.20
  4. Step 4: Simplify right side
    335,174.76x = 102,683,210,602.21
  5. Step 5: Solve for x
    x = 102,683,210,602.21/335,174.76
  6. Step 6: Final answer
    x = 306,357.23

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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.