Home / 304,966.50-420,869.94-169,015.28

Finding the Fourth Proportional to 304,966.50, 420,869.94 and 169,015.28

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Solution

The fourth proportional to 304,966.50, 420,869.94 and 169,015.28 is: 233,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,966.50 : 420,869.94 = 169,015.28 : x
  2. Step 2: Convert to fraction form
    304,966.50/420,869.94 = 169,015.28/x
  3. Step 3: Cross multiply
    304,966.50x = 420,869.94 × 169,015.28
  4. Step 4: Simplify right side
    304,966.50x = 71,133,450,752.68
  5. Step 5: Solve for x
    x = 71,133,450,752.68/304,966.50
  6. Step 6: Final answer
    x = 233,250.05

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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.